Acquisition position
Unknown maker or artist · Clocks and watches · Auktionshuset Thörner & Ek
Acquisition position
Potential market value
Evidence strength
Market anomaly
Risk profile
Investigation rationale
Decision guardrails
Visual laboratory
Object record
I box, ca. 12x12x10 cm. Quartz. Ca. 40 mm.
Identity resolution
Ranked from independent evidence. Confirmation or rejection becomes controlled training data.
Visual 0% · Name 86% · Marks 25% · Material 40%
33% combined confidenceVisual 0% · Name 40% · Marks 25% · Material 40%
25% combined confidenceVisual 0% · Name 37% · Marks 25% · Material 40%
25% combined confidenceVisual 0% · Name 36% · Marks 25% · Material 40%
25% combined confidenceVisual 0% · Name 36% · Marks 25% · Material 40%
25% combined confidenceVisual 0% · Name 36% · Marks 25% · Material 40%
24% combined confidenceVisual 0% · Name 34% · Marks 25% · Material 40%
24% combined confidenceVisual 0% · Name 34% · Marks 25% · Material 40%
24% combined confidenceClosed deal feedback
Enter the verified hammer price after the auction closes. Only verified outcomes become calibration data.
Learning guardrail
Global research evidence
Lyonel Feininger American, 1871-1956
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoHoward Dearstyne American, 1903–1979
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoBill Viola American, 1951-2024
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoFerdinand Hodler Swiss, 1853–1918
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoHoward Dearstyne American, 1903–1979
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoHoward Dearstyne American, 1903–1979
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoHoward Dearstyne American, 1903–1979
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoHoward Dearstyne American, 1903–1979
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoMercedes Pardo Venezuelan, born 1921
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoYves Tanguy American, born France, 1900–1955
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoGerhard Richter German, born 1932
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoFaith Ringgold (American, 1930-2024) United States, New York, Harlem
0% similarityCheck object rights; API metadata is openComparable logic
| Comparable ID | Match | Price | Reasons |
|---|
Automatic signature module
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.
The module runs during normal analysis when a local image is available.
Marks laboratory
110 independent methods generate cleanup variants, stroke and symbol descriptors, library matches, trust controls and conflict warnings.
Signature forensics
This does not declare a signature genuine. It measures fit against a multi-source reference set, confusing signers and natural variation.
Run mark matching first, then compare the questioned signature against a sufficiently broad trusted reference set.