Acquisition position
Unknown maker or artist · Jewelry · Stockholms Auktionsverk Helsingborg
Acquisition position
Potential market value
Evidence strength
Market anomaly
Risk profile
Investigation rationale
Decision guardrails
Visual laboratory
Object record
Halsring, dekor med löv (1 löv avbrutet, medföljer). Ring med bärnsten, strl. 19,75 mm. Sophie By Sophie, 1 par örhängen 'Knot' Kordes & Lichtenfels, brosch. 5 halskedjor varav 3 med hängen. 2 fotogömmer. 2 armband. 830 och 925 silver. Samlad bruttovikt ca 185 gram.
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 86% · Marks 25% · Material 0%
27% combined confidenceVisual 0% · Name 39% · Marks 25% · Material 50%
26% combined confidenceVisual 0% · Name 30% · Marks 25% · Material 40%
23% combined confidenceVisual 0% · Name 29% · Marks 25% · Material 40%
23% combined confidenceVisual 0% · Name 41% · Marks 25% · Material 0%
20% combined confidenceVisual 0% · Name 39% · Marks 25% · Material 0%
20% combined confidenceVisual 0% · Name 38% · Marks 25% · Material 0%
20% combined confidenceVisual 0% · Name 30% · Marks 25% · Material 0%
18% combined confidenceVisual 0% · Name 28% · Marks 25% · Material 0%
18% combined confidenceVisual 0% · Name 25% · Marks 25% · Material 0%
17% combined confidenceClosed deal feedback
Enter the verified hammer price after the auction closes. Only verified outcomes become calibration data.
Learning guardrail
Global research evidence
Jules Bastien-Lepage
0% similarityCC0 when isPublicDomain is trueArt Institute of ChicagoYoruba Kisi or Old Oyo, Oyo region, Nigeria Coastal West Africa
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoSigmar Polke German, 1941–2010
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoWalter Gropius (American, born Germany, 1883–1969) and Various Artists
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoDesigned by Jean-Julien Deltil Paris, France
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoMilton M. Schwartz American, 1925–2007
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoMilton M. Schwartz American, 1925–2007
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoAnders Zorn Swedish, 1860-1920
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoWilliam Henry Jackson American, 1843–1942 Mark Klett American, born 1952 Gordon Bushaw American, active 1970s
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoWalter Gropius (American, born Germany, 1883–1969) and Various Artists
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoEllen Lanyon American, 1926-2013
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoDesigned by Narcissa Niblack Thorne American, 1882-1966
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoIvan Albright (American, 1897–1983)
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.