Acquisition position
Current all in cost
1379.4 SEK
Current bid or estimate740.0 SEK
Modelled discount0.0%
Liquidity score88%
Samling Bijouterier · Jewelry · Björnssons Auktionskammare
Acquisition position
Potential market value
Evidence strength
Market anomaly
Risk profile
Investigation rationale
Decision guardrails
Visual laboratory
Object record
Brosch, "N", 2x1,5cm. Förgylld brosch med sten, längd x3cm. Skärpspänne med stenar. Brosch med gröna stenar, diameter 5,5cm. Sjalspänne med stenar, diameter 5cm. Ring, storlek 15mm. Armband, längd 15cm, bredd 2,5cm. 1 par örhängen med ametister, stift, höjd 1,5cm. Brosch med ametister, mått 4x2,8cm. Hänge, förgyllt silver, Skultuna, Bronsil AB, märkt SGP, höjd 2,5cm.
Identity resolution
Ranked from independent evidence. Confirmation or rejection becomes controlled training data.
Visual 0% · Name 37% · Marks 25% · Material 0%
19% combined confidenceVisual 0% · Name 36% · Marks 25% · Material 0%
19% combined confidenceVisual 0% · Name 35% · Marks 25% · Material 0%
19% combined confidenceVisual 0% · Name 30% · Marks 25% · Material 0%
18% combined confidenceVisual 0% · Name 27% · Marks 25% · Material 0%
18% combined confidenceVisual 0% · Name 27% · Marks 25% · Material 0%
18% combined confidenceVisual 0% · Name 26% · Marks 25% · Material 0%
18% combined confidenceVisual 0% · Name 26% · Marks 25% · Material 0%
18% combined confidenceVisual 0% · Name 26% · Marks 25% · Material 0%
18% combined confidenceVisual 0% · Name 25% · Marks 25% · Material 0%
17% combined confidenceVisual 0% · Name 25% · Marks 25% · Material 0%
17% combined confidenceVisual 0% · Name 24% · Marks 25% · Material 0%
17% combined confidenceVisual 0% · Name 24% · 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 ChicagoWalter Shirlaw (American, 1838–1909)
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoGérard Edelinck (French, born Flanders, 1640-1707) after Hyacinthe Rigaud (French, 1659-1743)
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoJean-Baptiste-Camille Corot (French, 1796-1875) printed by Auguste Delâtre (French, 1822-1907) published by Cadart et Chavalier, Editeurs (French, 1801-1900)
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoLawrence Carmichael Earle American, 1845-1921
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoGeorges Seurat (French, 1859–1891)
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoAdolphe Appian French, 1818-1898
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoDavid Dalhoff Neal (American, 1838–1915)
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoEdward Hopper (American, 1882–1967)
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoEdward Kemeys (American, 1843–1907) American Bronze Founding Company (American, founded 1886) Chicago
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoGrant Wood (American, 1891–1942)
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoSalvator Rosa Italian, 1615-1673
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoCharles Meryon French, 1821-1868
0% similarityCheck object rights; API metadata is openComparable logic
| Comparable ID | Match | Price | Reasons |
|---|---|---|---|
| 14998 | 59% | 409.0 SEK | identity 79%, material 45%, size 62%, title 79%, hallmarks 45%, weight 62% |
| 13577 | 57% | 1500.0 SEK | identity 73%, material 45%, size 62%, title 73%, hallmarks 45%, weight 62% |
| 9049 | 57% | 350.0 SEK | identity 73%, material 45%, size 62%, title 73%, hallmarks 45%, weight 62% |
| 11333 | 50% | 300.0 SEK | identity 45%, material 45%, size 62%, title 100%, hallmarks 45%, weight 62% |
| 14254 | 50% | 3600.0 SEK | identity 55%, material 45%, size 62%, title 39%, hallmarks 45%, weight 62% |
| 13821 | 50% | 3300.0 SEK | identity 55%, material 45%, size 62%, title 39%, hallmarks 45%, weight 62% |
| 18535 | 49% | 500.0 SEK | identity 45%, material 45%, size 62%, title 73%, hallmarks 45%, weight 62% |
| 1129 | 49% | 1149.0 SEK | identity 45%, material 45%, size 62%, title 73%, hallmarks 45%, weight 62% |
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.