Acquisition position
Andreas Wargenbrant · Sculpture · Helsingborgs Auktionskammare
Acquisition position
Potential market value
Evidence strength
Market anomaly
Risk profile
Investigation rationale
Decision guardrails
Visual laboratory
Object record
Längd 15, höjd 16 cm.
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 52% · Marks 25% · Material 40%
27% combined confidenceVisual 0% · Name 46% · Marks 25% · Material 40%
26% combined confidenceClosed deal feedback
Enter the verified hammer price after the auction closes. Only verified outcomes become calibration data.
Learning guardrail
Global research evidence
Workshop of Andrea Mantegna Italian, 1431-1506
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoAndrea Fraser American, born 1965
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoWorkshop of Andrea Mantegna Italian, 1431-1506
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoAndrea Fraser American, born 1965
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoAndreas Gursky German, born 1955
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoAndrea Fraser American, born 1965
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoAndrea Fraser American, born 1965
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoAndrea Fraser American, born 1965
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoWorkshop of Andrea Mantegna Italian, 1431-1506
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoWorkshop of Andrea Mantegna Italian, 1431-1506
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoWorkshop of Andrea Mantegna Italian, 1431-1506
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoWorkshop of Andrea Mantegna Italian, 1431-1506
0% similarityCheck object rights; API metadata is openComparable logic
| Comparable ID | Match | Price | Reasons |
|---|---|---|---|
| 22366 | 70% | 3500.0 SEK | identity 100%, material 45%, size 62%, title 86%, foundry or marks 45% |
| 22453 | 70% | 1900.0 SEK | identity 100%, material 45%, size 62%, title 85%, foundry or marks 45% |
| 4288 | 71% | 2450.0 SEK | identity 100%, material 45%, size 62%, title 89%, foundry or marks 45% |
| 22305 | 70% | 8000.0 SEK | identity 100%, material 45%, size 62%, title 79%, foundry or marks 45% |
| 20438 | 70% | 2500.0 SEK | identity 100%, material 45%, size 62%, title 75%, foundry or marks 45% |
| 4103 | 70% | 2600.0 SEK | identity 100%, material 45%, size 62%, title 76%, foundry or marks 45% |
| 108 | 69% | 3500.0 SEK | identity 100%, material 45%, size 62%, title 74%, foundry or marks 45% |
| 3953 | 69% | 1600.0 SEK | identity 100%, material 45%, size 62%, title 73%, foundry or 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.