Acquisition position
Current all in cost
3750.0 SEK
Current bid or estimate3600.0 SEK
Modelled discount0.0%
Liquidity score68%
David Wretling · Sculpture · Stockholms Auktionsverk Magasin 5
Acquisition position
Potential market value
Evidence strength
Market anomaly
Risk profile
Investigation rationale
Decision guardrails
Visual laboratory
Object record
Höjd ca 33 7x6 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 86% · Marks 25% · Material 40%
33% combined confidenceVisual 0% · Name 43% · Marks 25% · Material 40%
26% combined confidenceVisual 0% · Name 40% · Marks 25% · Material 40%
25% combined confidenceVisual 0% · Name 39% · Marks 25% · Material 40%
25% combined confidenceVisual 0% · Name 35% · Marks 25% · Material 40%
24% combined confidenceVisual 0% · Name 32% · Marks 25% · Material 40%
24% combined confidenceClosed deal feedback
Enter the verified hammer price after the auction closes. Only verified outcomes become calibration data.
Learning guardrail
Global research evidence
John Heartfield German, 1891–1968
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoJirí Anderle Czech, born 1936
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoRay K. Metzker American, 1931-2014
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoHarold Keeler (American, 1905-1968) printed by Harold Keeler (American, 1905-1968) published by Tamarind Lithography Workshop (American, founded 1960)
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoHashimoto Okiie (Japanese, 1899-1993)
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoSuzette Bross American, born 1968
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoRobert Motherwell (American, 1915-1991) published by Universal Limited Art Editions (American, founded 1955)
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoRobert Motherwell (American, 1915-1991) published by Universal Limited Art Editions (American, founded 1955)
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoRobert Motherwell (American, 1915-1991) published by Universal Limited Art Editions (American, founded 1955)
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoRobert Motherwell (American, 1915-1991) published by Universal Limited Art Editions (American, founded 1955)
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoRobert Motherwell (American, 1915-1991) published by Universal Limited Art Editions (American, founded 1955)
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoRobert Motherwell (American, 1915-1991) published by Universal Limited Art Editions (American, founded 1955)
0% similarityCheck object rights; API metadata is openComparable logic
| Comparable ID | Match | Price | Reasons |
|---|---|---|---|
| 2450 | 50% | 300.0 SEK | identity 45%, material 45%, size 62%, title 79%, foundry or marks 45% |
| 2308 | 49% | 500.0 SEK | identity 45%, material 45%, size 62%, title 69%, foundry or marks 45% |
| 11381 | 49% | 2425.0 SEK | identity 48%, material 45%, size 62%, title 52%, foundry or marks 45% |
| 15496 | 49% | 4300.0 SEK | identity 45%, material 45%, size 62%, title 65%, foundry or marks 45% |
| 12386 | 49% | 1210.0 SEK | identity 45%, material 45%, size 62%, title 65%, foundry or marks 45% |
| 1974 | 48% | 550.0 SEK | identity 45%, material 45%, size 62%, title 64%, foundry or marks 45% |
| 4164 | 49% | 300.0 SEK | identity 45%, material 45%, size 62%, title 64%, foundry or marks 45% |
| 7025 | 49% | 750.0 SEK | identity 45%, material 45%, size 62%, title 64%, 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.