Acquisition position
Current all in cost
360.27 SEK
Current bid or estimate250.0 SEK
Modelled discount67.8%
Liquidity score82%
Bertil Bengtsson · Paintings · Karlstad Hammarö Auktionsverk
Acquisition position
Potential market value
Evidence strength
Market anomaly
Risk profile
Investigation rationale
Decision guardrails
Visual laboratory
Object record
Bildmått 11x16 cm. Rammått 40x33 cm. Has resale rights.
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 42% · Marks 25% · Material 40%
26% combined confidenceVisual 0% · Name 41% · 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 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
Designed by Bertil Vallien Swedish, born 1938 Made by Kosta Boda Kosta, Småland, Sweden, founded 1742
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoMathias Bengtsson Danish, born 1971
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoSalvador Dalí Spanish, 1904-1989
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoJoan Miró Spanish, 1893-1983
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoEdouard Jean Vuillard French, 1868-1940
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoRené Magritte Belgian, 1898-1967
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoPablo Picasso Spanish, 1881-1973
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoR. G. Gillet French, born 1939
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoRené Magritte Belgian, 1898-1967
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoJean Dubuffet French, 1901–1985
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoKäthe Kollwitz German, 1867-1945
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoAaron Douglas American, 1899-1979
0% similarityCheck object rights; API metadata is openComparable logic
| Comparable ID | Match | Price | Reasons |
|---|---|---|---|
| 15321 | 68% | 450.0 SEK | identity 82%, material 45%, size 62%, title 71% |
| 18101 | 64% | 900.0 SEK | identity 73%, material 45%, size 62%, title 71% |
| 15525 | 64% | 350.0 SEK | identity 72%, material 45%, size 62%, title 71% |
| 15417 | 63% | 1300.0 SEK | identity 77%, material 45%, size 62%, title 49% |
| 18182 | 61% | 1600.0 SEK | identity 71%, material 45%, size 62%, title 54% |
| 18159 | 59% | 300.0 SEK | identity 65%, material 45%, size 62%, title 62% |
| 17518 | 58% | 300.0 SEK | identity 62%, material 45%, size 62%, title 62% |
| 15933 | 58% | 1100.0 SEK | identity 67%, material 45%, size 62%, title 44% |
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.