Acquisition position
Current all in cost
1400.0 SEK
Current bid or estimate600.0 SEK
Modelled discount0.0%
Liquidity score86%
Johan Lindgren · Furniture and design · Helsingborgs Auktionskammare
Acquisition position
Potential market value
Evidence strength
Market anomaly
Risk profile
Investigation rationale
Decision guardrails
Visual laboratory
Object record
Stolmakare i Stockholm 1770-1800 Längd 50, bredd 42, sitthöjd 46, rygghöjd 89 cm.
Identity resolution
Ranked from independent evidence. Confirmation or rejection becomes controlled training data.
Visual 0% · Name 86% · Marks 25% · Material 40%
34% combined confidenceVisual 0% · Name 86% · Marks 25% · Material 40%
30% combined confidenceClosed deal feedback
Enter the verified hammer price after the auction closes. Only verified outcomes become calibration data.
Learning guardrail
Global research evidence
Johan Hagemeyer American, born Netherlands, 1884–1962
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoJohan Barthold Jongkind (Dutch, 1819-1891)
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoJohan Hagemeyer American, born Netherlands, 1884–1962
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoJohan Hagemeyer American, born Netherlands, 1884–1962
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoJohan Barthold Jongkind (Dutch, 1819-1891)
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoJohan Hagemeyer American, born Netherlands, 1884–1962
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoJohan Hagemeyer American, born Netherlands, 1884–1962
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoJohan Hagemeyer American, born Netherlands, 1884–1962
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoJohan Hagemeyer American, born Netherlands, 1884–1962
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoJohan Hagemeyer American, born Netherlands, 1884–1962
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoJohan Hagemeyer American, born Netherlands, 1884–1962
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoJohan Hagemeyer American, born Netherlands, 1884–1962
0% similarityCheck object rights; API metadata is openComparable logic
| Comparable ID | Match | Price | Reasons |
|---|---|---|---|
| 7145 | 59% | 350.0 SEK | identity 79%, material 45%, size 62%, title 51%, manufacturer labels 45% |
| 2158 | 56% | 8000.0 SEK | identity 71%, material 45%, size 62%, title 42%, manufacturer labels 45% |
| 3435 | 51% | 16000.0 SEK | identity 55%, material 45%, size 62%, title 52%, manufacturer labels 45% |
| 96 | 50% | 4000.0 SEK | identity 55%, material 45%, size 62%, title 41%, manufacturer labels 45% |
| 4007 | 50% | 658.0 SEK | identity 55%, material 45%, size 62%, title 40%, manufacturer labels 45% |
| 7834 | 50% | 2400.0 SEK | identity 55%, material 45%, size 62%, title 41%, manufacturer labels 45% |
| 4345 | 50% | 800.0 SEK | identity 55%, material 45%, size 62%, title 38%, manufacturer labels 45% |
| 3254 | 49% | 300.0 SEK | identity 52%, material 45%, size 62%, title 44%, manufacturer labels 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.