Acquisition position
Current all in cost
500.0 SEK
Current bid or estimate300.0 SEK
Modelled discount44.2%
Liquidity score76%
Örjan Håkansson · Art glass · Auktionshuset Thörner & Ek
Acquisition position
Potential market value
Evidence strength
Market anomaly
Risk profile
Investigation rationale
Decision guardrails
Visual laboratory
Object record
Vänge, plåtmått ca. 10,7x19,7 cm. Vinter, Gotland, plåtmått ca. 9,3x18,2 cm. Fårö, plåtmått ca. 13,5x29,3 cm. Största ram, trä och glas, ca. 50x46 cm. Has resale rights.
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 34% · Marks 25% · Material 40%
24% combined confidenceVisual 0% · Name 26% · Marks 25% · Material 40%
23% combined confidenceVisual 0% · Name 24% · Marks 25% · Material 40%
22% combined confidenceVisual 0% · Name 43% · Marks 25% · Material 0%
20% combined confidenceVisual 0% · Name 42% · Marks 25% · Material 0%
20% combined confidenceVisual 0% · Name 41% · Marks 25% · Material 0%
20% combined confidenceVisual 0% · Name 39% · Marks 25% · Material 0%
20% combined confidenceVisual 0% · Name 37% · 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 28% · Marks 25% · Material 0%
18% combined confidenceClosed deal feedback
Enter the verified hammer price after the auction closes. Only verified outcomes become calibration data.
Learning guardrail
Global research evidence
Asante Ghana Coastal West Africa
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoNicholas Africano American, born 1948
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoRobert Riddle Jarvie (American, 1865–1941) The Jarvie Shop (American, c. 1900–17) Chicago
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoRobert Heinecken American, 1931–2006
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoAdolphe Braun French, 1811–1877
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoGreg Lynn American, born 1964
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoWebster Manufacturing Company (American, 1866–74) Brooklyn, New York
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoMary Catherine Knight (American, 1875–1956) Made by the Handicraft Shop (American, 1901–c. 1940) Boston
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoEliel Saarinen (American, born Finland, 1873–1950) J. Robert F. Swanson (American, 1900–1981) Pipsan Saarinen Swanson (American, 1905–1979) Made by Johnson Furniture Company (American, 1908–1983) Grand Rapids, Michigan
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoSèvres Porcelain Manufactory French, founded 1740 Painted by André-Vincent Vielliard (French, 1717-90, active 1752-90)
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoUta Barth German, born 1958
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoKobayashi Kiyochika Japanese, 1847-1915
0% similarityCheck object rights; API metadata is openComparable logic
| Comparable ID | Match | Price | Reasons |
|---|---|---|---|
| 5151 | 58% | 450.0 SEK | identity 79%, material 45%, size 62%, title 45%, factory marks 45% |
| 8730 | 58% | 300.0 SEK | identity 79%, material 45%, size 62%, title 45%, factory marks 45% |
| 10861 | 52% | 500.0 SEK | identity 59%, material 45%, size 62%, title 52%, factory marks 45% |
| 2093 | 52% | 300.0 SEK | identity 59%, material 45%, size 62%, title 47%, factory marks 45% |
| 5786 | 52% | 1700.0 SEK | identity 59%, material 45%, size 62%, title 48%, factory marks 45% |
| 11666 | 52% | 500.0 SEK | identity 59%, material 45%, size 62%, title 43%, factory marks 45% |
| 12273 | 52% | 650.0 SEK | identity 59%, material 45%, size 62%, title 43%, factory marks 45% |
| 4414 | 52% | 300.0 SEK | identity 59%, material 45%, size 62%, title 44%, factory marks 45% |
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.