Acquisition position
Current all in cost
750.0 SEK
Current bid or estimate400.0 SEK
Modelled discount0.0%
Liquidity score94%
Unknown maker or artist · Clocks and watches · Göteborgs Auktionsverk
Acquisition position
Potential market value
Evidence strength
Market anomaly
Risk profile
Investigation rationale
Decision guardrails
Visual laboratory
Object record
Herr 35 mm Plexiglas Boettnr 4000129.
Identity resolution
Ranked from independent evidence. Confirmation or rejection becomes controlled training data.
Visual 0% · Name 42% · Marks 25% · Material 40%
26% combined confidenceVisual 0% · Name 41% · Marks 25% · Material 40%
25% combined confidenceVisual 0% · Name 40% · Marks 25% · Material 40%
25% combined confidenceVisual 0% · Name 39% · Marks 25% · Material 40%
25% combined confidenceVisual 0% · Name 38% · Marks 25% · Material 40%
25% combined confidenceVisual 0% · Name 37% · Marks 25% · Material 40%
25% combined confidenceVisual 0% · Name 36% · Marks 25% · Material 40%
24% combined confidenceVisual 0% · Name 35% · Marks 25% · Material 40%
24% combined confidenceVisual 0% · Name 34% · Marks 25% · Material 40%
24% combined confidenceVisual 0% · Name 33% · Marks 25% · Material 40%
24% combined confidenceVisual 0% · Name 33% · Marks 25% · Material 40%
24% combined confidenceVisual 0% · Name 30% · Marks 25% · Material 40%
23% combined confidenceClosed deal feedback
Enter the verified hammer price after the auction closes. Only verified outcomes become calibration data.
Learning guardrail
Global research evidence
Suzanne Duchamp French, 1889-1963
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoSteve McQueen English, born 1969
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoAttributed to the Ixion Painter Greek; Campania, Italy
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoChaim Soutine French, born Minsk, Russia (present-day Belarus), 1893–1943
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoAmadeo de Souza Cardoso Portuguese, 1887–1918
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoArnold Böcklin (Swiss, 1827–1901)
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoJoseph Wright of Derby (English, 1734-1797)
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoRaymond Duchamp-Villon French, 1876–1918
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoMarc Chagall Born Vitebsk (formerly Russian Empire, now Belarus), 1887; died Saint-Paul, France, 1985
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoRichard Misrach American, born 1949
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoAdolphe Schreyer (German, 1828–1899)
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoVija Celmins American, born Latvia, 1938
0% similarityCheck object rights; API metadata is openComparable logic
| Comparable ID | Match | Price | Reasons |
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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.