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ARMBANDSUR, Coinwatch, armbandsur, urtavla med infattat med amerikansk dollar i fine gold.

Unknown maker or artist · Clocks and watches · Uppsala Auktionskammare

Open auction lot
0
low priority

Acquisition position

Current all in cost

21157.52 SEK
Current bid or estimate18020.0 SEK
Modelled discount0.0%
Liquidity score94%

Potential market value

Specialist value interval

Not calculated
Value confidence0%
Comparable sales0

Evidence strength

16%
Identity confidence36%
Visual match0%
External references12

Market anomaly

0%
Information gap86%
Potential undervaluation0.0%

Risk profile

8%
Authenticity risk8%
Condition risk6%

Investigation rationale

Why this may be worth considering

  • No positive signals have been confirmed yet.

Decision guardrails

What must be verified

  • missing maker
  • missing reference
  • missing serial
  • missing movement
  • missing case_material
  • missing service_history

Visual laboratory

Add and compare research imagery

Object record

Known facts and missing information

ArtistMissing
MakerMissing
MediumMissing
MaterialsMissing
Dimensions? × ? × ? cm
WeightMissing g
YearMissing
EditionMissing
MarksMissing
ConditionFungerade ej vid katalogiseringstillfället. Ingen funktionsgaranti lämnas. Obetydligt bruksslitage. Originalbox finns.
ProvenanceMissing
Modelclocks_watches_specialist 2.0.0

Vikt totalt 31 gram. Ø 32 mm.

Identity resolution

Artist and maker hypotheses

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

11 candidates
1 independent sources

Lawry Gold American, born 1947

Visual 0% · Name 86% · Marks 25% · Material 40%

33% combined confidence
1 independent sources

Stan Fine American, active 20th century

Visual 0% · Name 86% · Marks 25% · Material 40%

33% combined confidence
1 independent sources

Jud Fine American, born 1944

Visual 0% · Name 86% · Marks 25% · Material 40%

33% combined confidence
1 independent sources

German or Austrian

Visual 0% · Name 48% · Marks 25% · Material 40%

26% combined confidence
1 independent sources

Victor Dubreuil American, born France, 1842–after 1910

Visual 0% · Name 45% · Marks 25% · Material 40%

26% combined confidence
1 independent sources

Louis H. Sullivan American, 1856-1924

Visual 0% · Name 45% · Marks 25% · Material 40%

26% combined confidence
1 independent sources

Roman; probably Egypt

Visual 0% · Name 45% · Marks 25% · Material 40%

26% combined confidence
1 independent sources

David Goldes American, born 1947

Visual 0% · Name 44% · Marks 25% · Material 40%

26% combined confidence
1 independent sources

Nairy Baghramian German, born Iran, 1971

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

25% combined confidence
1 independent sources

Lan Ying (Chinese, 1585-c. 1664)

Visual 0% · Name 35% · Marks 25% · Material 40%

24% combined confidence
1 independent sources

Egyptian

Visual 0% · Name 30% · Marks 25% · Material 40%

23% 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

12 references
Art Institute of Chicago

Elevator Grille from the Chicago Stock Exchange, Chicago, Illinois

Louis H. Sullivan American, 1856-1924

0% similarityCheck object rights; API metadata is openArt Institute of Chicago

Landscape in the Style of Ancient Masters: Artist's commentary

Lan Ying (Chinese, 1585-c. 1664)

0% similarityCheck object rights; API metadata is openArt Institute of Chicago

Elements of Composite Armor

German or Austrian

0% similarityCheck object rights; API metadata is openArt Institute of Chicago

"Gosh … It's Too Bad We Forgot the Camera ... Pass the Mustard ...!", from the University of Wisconsin-Madison Print Seminar, March 1975 Portfolio

Lawry Gold American, born 1947

0% similarityCheck object rights; API metadata is openArt Institute of Chicago

Ring with a Scarab Bezel

Egyptian

0% similarityCheck object rights; API metadata is openArt Institute of Chicago

First Day

Stan Fine American, active 20th century

0% similarityCheck object rights; API metadata is openArt Institute of Chicago

Analogy

Jud Fine American, born 1944

0% similarityCheck object rights; API metadata is openArt Institute of Chicago

Slip of the Tongue

Nairy Baghramian German, born Iran, 1971

0% similarityCheck object rights; API metadata is openArt Institute of Chicago

Red Heart

David Goldes American, born 1947

0% similarityCheck object rights; API metadata is openArt Institute of Chicago

Fragment of a Necklace

Roman; probably Egypt

0% similarityCheck object rights; API metadata is openArt Institute of Chicago

One Dollar Silver Certificate

Victor Dubreuil American, born France, 1842–after 1910

0% similarityCheck object rights; API metadata is openArt Institute of Chicago

Water Balance

David Goldes American, born 1947

0% similarityCheck object rights; API metadata is open

Comparable logic

Specialist model explanation

Comparable IDMatchPriceReasons

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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