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CHRISTIAN THOMSEN. Figurin, get, porslin, modell 466, Royal Copenhagen, Danmark.

Christian Thomsen · Ceramics and porcelain · Gomér & Andersson Jönköping

Open auction lot
43
low priority

Acquisition position

Current all in cost

600.0 SEK
Current bid or estimate300.0 SEK
Modelled discount47.9%
Liquidity score80%

Potential market value

Specialist value interval

401 to 2400 SEK
Value confidence71%
Comparable sales30

Evidence strength

37%
Identity confidence27%
Visual match0%
External references2

Market anomaly

49%
Information gap67%
Potential undervaluation47.9%

Risk profile

8%
Authenticity risk8%
Condition risk6%

Investigation rationale

Why this may be worth considering

  • maker or artist identity supplied

Decision guardrails

What must be verified

  • missing factory
  • missing material
  • missing mark
  • missing dimensions

Visual laboratory

Add and compare research imagery

Object record

Known facts and missing information

ArtistChristian Thomsen
MakerMissing
MediumMissing
MaterialsMissing
Dimensions? × ? × ? cm
WeightMissing g
YearMissing
EditionMissing
MarksMissing
ConditionAvslag förekommer på ena hornet. I övrigt Smärre bruksslitage.
ProvenanceMissing
Modelceramics_specialist 2.0.0

Höjd ca 16 cm, längd ca 29 cm.

Identity resolution

Artist and maker hypotheses

Ranked from independent evidence. Confirmation or rejection becomes controlled training data.

1 candidates
1 independent sources

Honoré Victorin Daumier French, 1808-1879

Visual 0% · Name 38% · Marks 25% · Material 40%

25% combined confidence

Closed deal feedback

Teach the valuation model

Enter the verified hammer price after the auction closes. Only verified outcomes become calibration data.

Learning guardrail

Truth before training

  • Unverified AI output is stored as a hypothesis only.
  • One-source matches are confidence capped.
  • Rejected matches improve source and feature calibration.
  • At least five verified closed sales are required per category.

Global research evidence

Reference material found elsewhere

2 references

Comparable logic

Specialist model explanation

Comparable IDMatchPriceReasons
1824167%300.0 SEKidentity 100%, material 45%, size 62%, title 92%, factory marks 45%
2283567%1100.0 SEKidentity 100%, material 45%, size 62%, title 89%, factory marks 45%
1795667%600.0 SEKidentity 100%, material 45%, size 62%, title 89%, factory marks 45%
1411956%3803.0 SEKidentity 71%, material 45%, size 62%, title 64%, factory marks 45%
1137856%500.0 SEKidentity 71%, material 45%, size 62%, title 64%, factory marks 45%
1443852%250.0 SEKidentity 59%, material 45%, size 62%, title 50%, factory marks 45%
1653052%610.0 SEKidentity 59%, material 45%, size 62%, title 50%, factory marks 45%
2258251%300.0 SEKidentity 59%, material 45%, size 62%, title 42%, factory marks 45%

Automatic signature module

Every artwork image is checked for signatures and marks

The local engine detects and isolates candidate regions, searches the trusted mark library and runs conservative signature forensics. Optional AI interprets unreadable regions and creates research queries without changing the forensic verdict.

Candidate regions0
Signature regions0
AI enrichmentLocal only
PipelineNot run

No automatic mark result yet

The module runs during normal analysis when a local image is available.

Marks laboratory

Isolate and identify signatures, hallmarks and maker marks

110 independent methods generate cleanup variants, stroke and symbol descriptors, library matches, trust controls and conflict warnings.

Open mark library

Match an unknown mark

Upload the tightest available crop. Include a little surrounding surface so the system can separate paint, engraving, glare and background.

Add a known reference

Signature forensics

Check consistency with known genuine variation

This does not declare a signature genuine. It measures fit against a multi-source reference set, confusing signers and natural variation.

No forensic check yet

Run mark matching first, then compare the questioned signature against a sufficiently broad trusted reference set.

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