Missing Components

A missing component is any part that belonged to a collectible's documented original configuration but is not present with the item being assessed. It may be part of the principal object, a detachable functional element, an accessory, packaging, printed material, documentation or one member of a set. Its grading significance depends not on physical size alone, but on what the component contributed to identity, function, information, structure, display and the claim of completeness.

A collectible can therefore be in excellent surviving condition yet materially incomplete. It can also be complete but worn, restored or partly non-original. Strong grading does not collapse these different findings into one unexplained number. It identifies the correct issue, establishes what should be present, records what is actually present, distinguishes absence from substitution, and states the consequences with an appropriate level of confidence.

The central grading test

A missing component is not merely an absent object. It is a break in the collectible's documented original configuration.

Question 1

What should be here for this exact issue, edition, region, date and sales format?

Question 2

What has actually been inspected, counted and identified?

Question 3

Are the components present correct, original and properly matched?

Question 4

What follows from the absence for condition, completeness, function and collector meaning?

Orientation

What can count as a component?

The grading unit may extend far beyond the main visible object. The first task is to understand which elements belonged to the documented configuration being claimed.

Primary object

Integral components

These form part of the principal object itself. Their loss commonly affects both physical condition and completeness because original substance has disappeared from the object being graded.

  • Pages, leaves, plates, covers or binding elements
  • Limbs, hands, lids, crowns, labels, wheels or fitted panels
  • Internal gears, springs, movements or structural members

Operation

Detachable functional components

These were designed to be removed or fitted but remain necessary for normal operation, testing or safe support. Their absence may make an attractive object unusable or impossible to test honestly.

  • Power supplies, controllers, keys, remotes and cables
  • Pendulums, winding keys, battery trays and camera backs
  • Stands or supports required for stable use

Issued contents

Accessories and play components

Accessories may not be essential to basic operation, but they can define a loose, boxed, complete-in-box or set-complete designation. Their importance is category-specific and often disproportionate to their size.

  • Weapons, clothing, interchangeable hands and display stands
  • Dice, cards, counters, maps, tokens and reference sheets
  • Decals, spare parts, miniature bases and promotional gifts

Presentation

Packaging components

Packaging can be an independently collectible part of the issued configuration. The principal object may remain physically sound while the absence of a box, tray, sleeve or dust jacket prevents a boxed or complete designation.

  • Outer boxes, backing cards, blisters and inner trays
  • Dust jackets, sleeves, wraps, foam, tissue and spacers
  • Seals, retailer labels and issue-specific packing elements

Information

Printed and documentary components

Manuals, maps, certificates, coupons, inserts and cataloguing slips may carry instructions, narrative content, issue identification or provenance. Their loss can be physically minor but evidentially significant.

  • Instructions, manuals, maps, catalogues and score sheets
  • Certificates, registration cards, warranties and provenance records
  • Errata sheets, inserts, coupons, posters and reference cards

Issued group

Set components

Where the collectible was issued as a deliberate group, completeness belongs partly to the set identity rather than only to each surviving object. One absent member can alter the designation of the whole.

  • One card, coin, record, plate, figure or volume from a set
  • One miniature from a boxed unit or one disc from an album
  • A principal item removed from an otherwise intact presentation package

Reference before deduction

Missing, never included, optional or variant-specific?

Many incorrect grading deductions begin with the right observation attached to the wrong reference example. Establishing that a space is empty is easier than proving what belonged there.

Variant control

Never supplied with this version

A component may appear absent because comparison has been made against the wrong edition, region, production run or retailer configuration. Completeness must be judged against the exact identified release, not a generic product photograph.

Conditional contents

Optional, random or premium-only

Some products contained one of several random inserts, retailer-exclusive extras, mail-order items or premium accessories. Complete normally means the required quantity for that exact configuration, not every possible bonus ever associated with the product.

Production history

Removed from later or earlier issues

Contents can change during production. A checklist compiled from one issue may falsely penalise another. Dates, product codes, box printing, regional marks and contemporary documentation should be reconciled before declaring an absence.

Evidence limit

Not observed is not confirmed missing

A component may be sealed inside, stored separately, hidden behind a mount, omitted from seller photographs or inaccessible without disassembly. The correct result may be completeness unverified rather than incomplete.

Completeness must be judged against the correct issue, edition, region, date, configuration and sales format - not against a generic image of the product.

Describe the right kind of loss

Whole components, partial loss, surface loss and intended use

These states can look similar in a quick photograph but belong to different grading judgements.

Whole unit absent

Missing component

A recognisable component is entirely absent: a manual, lid, die, dust jacket, figure weapon or one member of a set.

Unit partly lost

Partial component loss

Part of a component survives but material is missing: a torn map corner, a missing box flap, a figure without a finger, or a cut section of a decal sheet.

Layer damaged

Surface loss

Paint, plating, glaze, image or label abrasion is usually wear or damage rather than missing-component incompleteness, unless the lost layer was itself a separately applied and identifiable part.

Used as intended

Consumed or applied components

Stickers applied, counters punched, decals used, scratch-off areas revealed or batteries removed do not always create straightforward incompleteness. The proper description may be complete but used, complete with applied components, or unsuitable for an unused designation.

Collector scenario

The cleaner box is not necessarily the stronger example

Two boxed games sit beside each other. The first has rubbed corners and a creased lid, but the rulebook, map, counters, dice, tray and issue-specific insert are all present. The second box is brighter and cleaner, yet the map is absent, one die is from a later release and the original tray has been replaced with generic foam.

Surface appeal favours the second example. Completeness and configuration accuracy favour the first. The correct conclusion is not that one universal grade must absorb every difference. Each object needs separate findings for surviving condition, completeness, originality and issue accuracy.

The collector's task is to compare like with like: complete boxed examples with complete boxed examples, and qualified or assembled examples with their proper comparison class.

Judgement

Classify the seriousness of absence

There is no universal deduction table. A useful hierarchy considers what the missing component did, not merely how many pieces are absent.

Critical

Identity or defining function is substantially lost

The missing part removes the principal collectible, interrupts its defining content or destroys the assembly's core purpose. The result may be better described as a partial item, empty package, parts example, fragment or remnant.

  • Disc absent from a boxed video game
  • Watch movement absent from a watch case
  • Principal coin absent from a presentation set
  • Key story page or major text gathering absent

Major

The object survives but an important original element is absent

The main object remains identifiable, yet function, presentation, narrative content or collector designation is materially reduced.

  • Game manual, fitted lid or clock pendulum
  • Toy battery cover, model canopy or important map
  • A significant accessory central to the issued configuration

Moderate

Use and recognition remain, but completeness is meaningfully reduced

The object can still be understood and often used, but one or more secondary elements prevent an unqualified complete claim.

  • One of several minor accessories
  • A display stand, registration card or secondary insert
  • A small but issue-specific packaging support

Minor or conventional

Low practical impact, but category expectations still matter

Generic tissue, common packing material or an undistinguished leaflet may have limited grading effect in ordinary practice while remaining important to collectors pursuing untouched or factory-complete examples.

Impact model

Identity importance matters more than physical size

A tiny watch crown, rare figure weapon, certificate label or comic coupon may matter more than a large generic shipping carton. Use the following factors together rather than treating any one as a mechanical score.

Identity importance

Does the component help establish what the collectible is, which issue it belongs to, or whether the claimed designation is correct?

Functional importance

Can the item operate, close, stand, hang, fasten or be tested without it?

Narrative or informational importance

Does the absence remove text, art, instructions, attribution or other content?

Structural importance

Does the absence expose, weaken or destabilise surrounding material?

Original-set importance

Was the component central to the retail configuration, set identity or claimed collecting category?

Scarcity and replaceability

Is the component generic and available, or rare, individually matched and realistically irreplaceable?

Visual importance

Is the loss conspicuous in display, or largely invisible without inventory or opening?

Collector expectation

Is the component routinely required for terms such as complete, boxed, CIB, matched, sealed or archive-complete?

Recommended grading model

Use a multi-axis assessment instead of one overloaded grade

The strongest report allows an attractive surviving object to be recognised without disguising incompleteness or uncertainty.

Axis 1

Condition of surviving material

How worn, damaged, altered or restored are the components that are actually present? Do not invent the condition of the missing component.

Axis 2

Completeness

Which expected components are present, absent, unverified or stored separately, and in what quantities?

Axis 3

Originality

Which present components are original, later-associated, manufacturer replacements, reproductions, custom additions or uncertain?

Axis 4

Configuration accuracy

Do the present components match the correct edition, region, production date, colour, size and variant?

Axis 5

Functionality

Does the object operate as intended, operate only partly, remain untestable because of the absence, or function normally despite it?

Axis 6

Evidence confidence

How strongly are the expected inventory, observed absence and component identities supported by authoritative references and examination?

Example finding

Surviving condition: Excellent.

Completeness: Incomplete - instruction booklet and one unique token absent.

Originality: All examined surviving components appear original.

Configuration: Correct UK first-edition components.

Function: Playable, but one scenario cannot be run as issued.

Confidence: High; checked against the publisher inventory and two documented complete comparators.

Evidence

Prove both absence and expectation

A completeness conclusion contains two propositions: the component is not present, and the component belonged to this exact original configuration. The second proposition is often the harder one.

Primary evidence

Direct evidence of the original configuration

Manufacturer packing lists, original instructions, production records, publisher collation statements, period catalogues, patents, official parts lists and demonstrably unopened examples are the strongest foundations for a completeness claim.

Comparative evidence

Documented specialist references

Multiple well-documented complete examples, recognised variant databases, institutional collections, grading-company references and specialist books can establish patterns where primary records are unavailable.

Physical evidence

Traces left by a former component

Empty recesses, shaped foam, fixing holes, wear shadows, residual adhesive, broken tabs, unused attachment points and component outlines support an inference, but they do not by themselves prove what exact part belonged there.

Weak evidence

Useful leads that should not carry the conclusion alone

A single marketplace listing, unsourced forum statement, seller checklist, generic photograph or childhood memory may prompt research, but should not normally support a confident deduction by itself.

Language that reflects confidence

Confirmed missing

The original instruction manual is missing. The remaining contents were checked against the manufacturer's component list.

Apparently missing

The fitted recess is empty and attachment wear is visible, but no authoritative parts list has yet been located.

Completeness unverified

The contents appear broadly consistent with known examples, but the original component list has not been established.

Not applicable

The insert appears only in the North American release and is not expected in this UK issue.

Possible factory omission

The absence may represent a production omission; specialist authentication is required before treating it as a recognised error.

Grade consequence

How grading systems may treat missing components

Different categories and grading authorities handle absence differently. Always read the qualifier, label notes and designation rules rather than treating the headline grade as self-explanatory.

Condition effect

Grade reduction

Where the absence is physical loss from the principal object, it may directly reduce the condition grade alongside any tearing, breakage or structural damage caused by the loss.

Eligibility limit

Grade ceiling

Some systems prevent an incomplete item from reaching higher grades regardless of the attractiveness of the surviving material. A single critical absence may dominate the overall treatment.

Separated findings

Qualified grade

A service may grade the surviving material while prominently identifying incompleteness. The qualification is part of the result, not an optional footnote, and must not be presented as equivalent to an unqualified complete example.

Problem treatment

Details, incomplete or no-grade designation

Where the principal certifiable object is absent or the configuration falls outside the service's rules, a descriptive result, incomplete designation or rejection may be more honest than a normal numerical grade.

The otherwise-grade problem

It can be useful to say that the surviving material resembles a particular condition level. It is not useful to present that counterfactual as the actual unqualified grade of the complete object.

The condition of a missing component is unknowable. A Near Mint figure missing its cape does not prove that the complete figure would have been Near Mint, because the lost cape may have been worn, torn or replaced before it disappeared.

Separate findings

Completeness and originality are not the same judgement

An item can be incomplete but original in every surviving respect, or complete in a checklist sense while containing replacements and mismatches.

CompletenessOriginalityMeaning
CompleteOriginalAll expected components are present and appear correct and original.
CompletePartly non-originalThe full checklist is present, but one or more components are replacements, reproductions or later associations.
IncompleteOriginal surviving materialOne or more components are absent, but the surviving components appear original.
IncompletePartly non-originalComponents are absent and other present elements have been substituted or mismatched.

Present but wrong

Substitution can hide absence

A checklist that records only present or absent will overstate completeness. The manual may be from another region, the box from a later edition, the accessory a reproduction, or the movement a donor replacement.

Correct but later

Period-correct does not prove original association

A correct contemporary component from another example can create a complete assembled object without proving that the parts left the factory together. This may be a period-correct composite or married set rather than a factory-associated example.

Visual recovery

Reproduction completion restores appearance, not originality

A replica sword, facsimile dust jacket or copied map may improve display or usability. The record should still state that the original component is absent and identify the replacement clearly.

Repair history

Replacement does not erase the loss event

A later component can improve practical completeness, but the history of loss, replacement, reattachment or reconstruction remains part of the collectible's condition and originality record.

Packaging claims

Boxed, complete and sealed are different states

The grade of the principal object should not be confused with the completeness or condition of the package. Define the claim before using category terms.

Loose

Principal object only

No claim is made that the original packaging or full accessory complement is present. The condition of the principal object may still be graded strongly.

With box

Box present, contents not necessarily complete

The principal package accompanies the object, but the phrase alone does not establish trays, manuals, inserts, accessories or correct association.

Contents inventoried

Boxed with contents noted

The report lists what is present and absent without overstating the configuration. This is often the safest useful description where completeness is partial or uncertain.

Complete in box

All components required by the accepted category definition

CIB is a component-defined designation. It should be tied to the correct release and explained where category conventions differ.

Period-correct completion

All required parts present, original association unproven

This distinguishes practical and chronological correctness from a claim that every component remained together from issue.

Factory state

Factory complete or sealed

Factory complete implies the issued arrangement appears intact. Sealed describes closure, not automatically verified internal completeness. The evidence supporting the inference must be stated.

Evidence limitation

Sealed items preserve value by preventing direct verification

A sealed collectible creates a genuine conflict: opening may answer the completeness question while destroying the state collectors value. The report should distinguish observed fact from inference.

Seal originality

Is the closure demonstrably original, or could it be resealed, bypassed or replaced?

Alternative access

Could contents have been removed through another opening without disturbing the visible seal?

Weight and movement

Is the weight consistent with documented examples, and is there unexpected internal movement?

Packaging disturbance

Do creasing, cut marks, lifted adhesive, replaced fasteners or altered flaps suggest intervention?

Known production variability

Were packing errors, regional contents changes or random components known for this issue?

Claim limitation

Does the report clearly distinguish observed exterior fact from inferred internal completeness?

Consequence

Functionality and completeness must be recorded separately

A component can be missing without affecting operation, and an object can remain non-working even when every component is present.

Prevented

The object cannot perform its intended function

Examples include a clock without its movement or an electronic item without an indispensable proprietary component.

Impaired

The object works only partly

A board game may remain playable but lose a scenario, feature or mode because a unique deck, token or component group is absent.

Untestable

Operation cannot be assessed because a required component is missing

Record untested due to missing power supply or equivalent. Do not convert lack of test capability into a finding that the object is non-working.

Unaffected

Function remains normal, but completeness can still be reduced

A registration card, display stand or promotional insert may have no operational effect while remaining important to the issue's complete configuration.

Complex cases

Partial sets, duplicates, separated parts and temporary absence

Do not average away a critical absence

Ninety-nine cards out of one hundred does not automatically equal a collector-significant 99% complete if the absent card is the defining rarity. A model kit can contain almost every piece yet remain unbuildable if one structural part is missing.

Percentages may supplement an inventory, but they should not replace the identity and consequence of what is absent.

Quantity is part of completeness

Products often included multiples of identical components. Record one of two dice missing, three of twelve stands absent or two duplicate cards short. The presence of one example does not prove the issued quantity is complete.

A component stored elsewhere is not automatically part of the inspected unit

Distinguish physically present and examined, owned but stored separately, documented but unexamined, known in another collection, lost and unknown. An owner statement that a manual exists elsewhere is not the same as a manual inspected with the item.

Temporary removal can preserve rather than diminish the object

Batteries may be removed to prevent leakage, fragile textiles stored separately, clock weights detached for transport or a dust jacket kept in an archival sleeve. A complete inventory and linked photography preserve the relationship even when components are not physically assembled.

Collector workflow

A defensible missing-components inspection

The workflow moves from identification to evidence, then from observed inventory to grading consequence. Skipping the early steps makes later confidence look stronger than it is.

1. Identify the exact collectible

Record maker or publisher, title, issue, date, region, model or product code, edition, variant, packaging type and production period.

2. Define the grading unit

Decide whether the claim concerns the principal object, object plus accessories, boxed example, complete-in-box configuration, full set or sealed retail product.

3. Build the expected-component list

Use the strongest available sources and note where the original inventory remains uncertain or variable.

4. Inventory what is present

Record components individually and count repeated items. A group photograph alone does not prove completeness.

5. Confirm identity and compatibility

Check product, edition, region, date, colour, size and variant rather than recording a mismatched substitute as correct.

6. Inspect for concealed absence

Look for empty fittings, removed pages, incomplete card counts, broken locating points, wear shadows, replacement screws, unexpected weight and unfilled recesses.

7. Separate substitutions

Classify correct originals, later associations, manufacturer replacements, reproductions, custom additions and uncertain components independently.

8. Assess consequence

State whether each absence affects identity, content, function, structure, display, designation, authentication confidence or market category.

9. Grade surviving material

Assess what remains without assuming the missing component would have shared the same condition.

10. Apply a qualifier and confidence level

Use category-appropriate language and explain whether the examination was external, opened, counted, tested, internally inspected or research-limited.

11. Photograph the evidence

Include overall contents, identifiers, empty spaces, attachment points, page sequence, counts, references and replacement indicators.

12. Preserve the record

Keep expected, present, missing, replaced and separately stored components distinct so later completion does not overwrite the object's history.

Documentation

Record enough detail for another collector to reconstruct the judgement

A robust record does more than say incomplete. It shows what was expected, how the comparison was made and which conclusions remain limited.

FieldWhat to record
Identified configurationExact issue, edition, region, date, variant and packaging type
Expected contentsAuthoritative inventory or reference basis
Present componentsIndividually named and counted
Missing componentsIndividually named, quantified and located
Replacements or mismatchesType, suspected date, correctness and originality status
ConsequencesFunction, narrative, structure, display, identity and designation
Surviving conditionRecorded separately from completeness
Examination scopeExternal, opened, counted, dismantled, imaged or tested
Evidence and confidenceSources used and confirmed, probable, possible or unknown conclusion
ImagesOverall inventory, identifiers, empty locations and replacement evidence
Final designationComplete, qualified, incomplete, partial, remnant or unknown

Category application

The same principle behaves differently across collecting fields

Examples make the judgement concrete, but category conventions should never be mistaken for universal rules.

Toys and figures

Tiny accessories can dominate completeness

Weapons, capes, helmets, stands, clothing, shoes, projectiles and paperwork are easily separated and often difficult to replace correctly. A loose figure may retain excellent condition while remaining incomplete.

Games and role-playing sets

Count components and identify unique functions

Rulebooks, maps, counters, cards, dice, reference sheets and inserts should be inventoried rather than judged by appearance. A game may be practically playable yet collector-incomplete, or nearly full by count but unusable because one unique deck is absent.

Books and comics

Collation and information loss matter

Missing pages, plates, maps, title leaves, coupons, centre spreads, dust jackets and inserts may affect physical completeness, narrative continuity, attribution and grade. Exact location and content loss should be stated.

Music and media

Grade the medium, packaging and inserts separately

A record, disc or cartridge can be in excellent condition while its sleeve, booklet, poster, obi strip, manual or one disc from a set is absent. The grading unit must be explicit.

Coins and presentation pieces

Individual condition can survive loss of set status

A coin may retain a strong numeric condition while a missing case, certificate, capsule or companion coin prevents the presentation set from being complete.

Models and miniatures

Build state changes what completeness means

An unbuilt complete kit normally requires all required parts, instructions and decals. A built example may be complete in assembled form even when empty sprues or unused optional parts are absent, depending on the stated grading unit.

Mechanical objects

Identity, protection and function can fail together

Missing crowns, keys, hands, lenses, caps, cases, straps, movements and internal mechanisms can make watches, clocks, cameras or instruments untestable, structurally exposed or difficult to attribute.

Decorative arts

Fitted parts remain components even when display is possible

Lids, stoppers, handles, mounts, finials, matching stands and companion pieces may be essential to the issued form. An object should not be described as complete merely because it displays acceptably without them.

Collector correction

Myth versus reality

Myth

A small missing part deserves only a small deduction.

Reality

A tiny defining component can be more important than a large generic one. Identity and collector significance do not follow physical size.

Myth

A replacement makes the object complete again.

Reality

It may restore use or visual completeness, but it does not restore original association or erase the loss of original material.

Myth

If the object still works, it is complete.

Reality

Function and completeness are separate. Non-functional paperwork or accessories can still be required for the claimed configuration.

Myth

Sealed packaging proves every component is inside.

Reality

A seal may support an inference, but internal completeness remains dependent on seal authenticity, package design, weight, access points and known production variability.

Myth

Every example needs all packaging to count as complete.

Reality

The answer depends on the grading unit and category convention. A complete loose object is not a complete boxed example.

Myth

Any difference from another example proves something is missing.

Reality

Production runs, regional variants, random inserts and optional extras must be ruled out before absence is declared.

Myth

Near Mint, missing manual is equivalent to a complete Near Mint example.

Reality

The condition description applies only to what survives. The completeness qualification changes the collecting claim and comparison class.

Failure modes

Common grading mistakes

Claim error

Calling the item complete because the principal object is present

Completeness must be measured against the stated grading unit and exact configuration, not against the most visually prominent component.

Research error

Penalising an item for a component never issued with that variant

Reference accuracy comes before deduction. Similar packaging and online photographs can conceal regional, date and issue differences.

Originality error

Counting reproductions or mismatches as original components

Presence, correctness, originality and association are separate findings. A present substitute can still mean the original component is missing.

Evidence error

Using appears complete without stating the examination performed

No obvious absence observed is not the same as inventoried against an authoritative checklist. State what was opened, counted, tested and left unverified.

Function error

Calling an untestable object broken

Where operation cannot be checked because a required component is absent, the honest finding is untested due to missing component unless actual failure has been established.

Grading error

Applying a fixed percentage deduction

One missing card out of one hundred can matter more than several common duplicates if it is the defining rarity. Significance cannot be reduced to quantity alone.

Scope control

Where missing components meets other Collectaneum domains

Missingness often triggers questions that belong partly elsewhere. Keep the grading finding clear, then follow the relevant boundary rather than forcing every consequence into this page.

Original parts and materials

What is present, and is it original?

This neighbouring topic asks whether surviving parts and materials are original. Missing components asks whether all expected parts are present. An item can be original but incomplete, or complete but partly non-original.

Restoration and replacement

What was added, recreated, reattached or concealed?

Reattachment may restore physical completeness while leaving repair history. Reconstruction and replacement can recreate shape or function without restoring original material.

Authentication

Does absence reduce the evidence needed to identify the object?

A missing label, title page, movement, box or serial plate may leave the main object genuine while making variant attribution or authentication less conclusive.

Provenance and documentation

Is the object physically incomplete or evidentially under-documented?

A missing receipt or later authentication certificate may weaken provenance without changing the manufactured composition. If the certificate was part of the issued retail package, it may affect both documentary and physical completeness.

Valuation

What does the market do with the absence?

Value can fall sharply where replacement is difficult, complete examples command a premium or the missing part supports attribution. Grading describes the state; valuation interprets demand and scarcity.

Structural integrity and preservation

Does the absence expose or destabilise surviving material?

A missing component may create structural weakness or preservation risk, but the treatment decision belongs primarily to condition care and conservation rather than grading alone.

Specialist threshold

When ordinary collector inspection is no longer enough

  • The original component list is disputed or differs between apparently similar variants.
  • The item is sealed and internal verification would destroy a valued state.
  • Internal examination or disassembly would be required to confirm the absence.
  • The absence may be a factory omission, recognised error or production variety.
  • A replacement is convincing enough that specialist material or manufacturing knowledge is needed.
  • The missing element affects attribution, authentication or legal identification.
  • The object is rare enough that few complete comparators or reliable references exist.
  • The value difference between complete, qualified and incomplete examples is substantial.

Depending on the object, appropriate specialists may include category graders, bibliographers, conservators, horologists, toy historians, archivists, manufacturer specialists, variant researchers or professional authentication services.

Final discipline

Rules for an honest completeness conclusion

  1. Identify the exact configuration before assessing absence.
  2. Define the object, package or set actually being graded.
  3. Separate condition, completeness, originality, configuration and function.
  4. Do not count a replacement as the original component.
  5. Do not assume a part belonged merely because another issue contains it.
  6. Name and quantify every significant missing component.
  7. Distinguish whole-component loss, partial loss, surface loss and intended use.
  8. State whether the absence affects content, operation, structure, display or designation.
  9. Treat factory omission as an error only when supported by evidence.
  10. Do not describe untested as non-working.
  11. Do not allow attractive surviving condition to conceal major incompleteness.
  12. Use completeness unknown where the evidence does not justify certainty.

Central collector takeaway

Grade what survives, record what is absent, identify what has been substituted, and show the evidence behind the conclusion.

The strongest assessment does not hide condition, completeness, originality, function and uncertainty inside a single score. It makes each claim visible so that future collectors, valuers, insurers and buyers can understand both the object and the limits of the judgement.

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