Acquisition position
Unknown maker or artist · Clocks and watches · Helsingborgs Auktionskammare
Acquisition position
Potential market value
Evidence strength
Market anomaly
Risk profile
Investigation rationale
Decision guardrails
Visual laboratory
Object record
Diameter 35 mm.
Identity resolution
Ranked from independent evidence. Confirmation or rejection becomes controlled training data.
Visual 0% · Name 41% · 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 31% · Marks 25% · Material 40%
24% combined confidenceVisual 0% · Name 27% · Marks 25% · Material 40%
23% combined confidenceVisual 0% · Name 24% · Marks 25% · Material 40%
22% combined confidenceClosed deal feedback
Enter the verified hammer price after the auction closes. Only verified outcomes become calibration data.
Learning guardrail
Global research evidence
China
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoWeddeghe Velstede (German, active 1432-73) container: Egyptian
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoHenry Wilson (English, 1864-1934) England, London
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoChina
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoChina
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoSeiko, Soshosai Japanese, Unknown
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoTimothy O'Sullivan (American, born Ireland, 1840–1882) and Mark Klett (American, born 1952)
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoFabergé Workshop Saint Petersburg or Moscow, Russia, 1842-1917
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoChina
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoFabergé Workshop Saint Petersburg or Moscow, Russia, 1842-1917
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoJessie M. Preston (American, 1873–1962) Chicago
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoChina
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.