Acquisition position
Runo 'Lette' Johanson · Sculpture · Stockholms Auktionsverk Magasin 5
Acquisition position
Potential market value
Evidence strength
Market anomaly
Risk profile
Investigation rationale
Decision guardrails
Visual laboratory
Object record
gjutarstämpel något otydlig Höjd ca 30,5x10x6,5 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 86% · Marks 25% · Material 40%
33% combined confidenceVisual 0% · Name 86% · Marks 25% · Material 40%
33% combined confidenceVisual 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 38% · Marks 25% · Material 40%
25% combined confidenceVisual 0% · Name 37% · Marks 25% · Material 40%
25% combined confidenceVisual 0% · Name 37% · Marks 25% · Material 40%
25% 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
Patricia Johanson American, 1940-2024
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoGeorge Johanson American, 1928-2022
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoBen Albert Benson Swedish, born 1901
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoKazimir Malevich (born Kyiv, formerly Russian Empire, now Ukrain, 1878-1935) and David Burlyuk (American, born Ukraine, 1882–1967) written by Velimir Khlebnikov (Russian, 1885–1922) published by EUY (Russian, 20th century)
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoDarby Johanson American, born 1976
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoRobert Motherwell (American, 1915-1991) printed by Roger Campbell and Lee Funderburg at Tyler Graphics, Ltd. (American, 1974-2000) published by Lakeside Group (American, 1968-2010)
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoArchibald John Motley Jr. (American, 1891–1981)
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoClaude Monet (French, 1840–1926)
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoNeil Winokur American, born 1945
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoLewis Wickes Hine American, 1874–1940
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoCarlo Carrà Italian, 1881-1966
0% similarityCheck object rights; API metadata is openArt Institute of ChicagoLeon Golub American, 1922–2004
0% similarityCheck object rights; API metadata is openComparable logic
| Comparable ID | Match | Price | Reasons |
|---|---|---|---|
| 17336 | 54% | 3300.0 SEK | identity 59%, material 45%, size 62%, title 65%, foundry or marks 45% |
| 14266 | 53% | 2800.0 SEK | identity 56%, material 45%, size 62%, title 64%, foundry or marks 45% |
| 11097 | 52% | 2448.0 SEK | identity 56%, material 45%, size 62%, title 61%, foundry or marks 45% |
| 11024 | 52% | 5501.0 SEK | identity 56%, material 45%, size 62%, title 60%, foundry or marks 45% |
| 10232 | 52% | 2400.0 SEK | identity 56%, material 45%, size 62%, title 60%, foundry or marks 45% |
| 14860 | 52% | 700.0 SEK | identity 56%, material 45%, size 62%, title 57%, foundry or marks 45% |
| 1701 | 52% | 1400.0 SEK | identity 55%, material 45%, size 62%, title 58%, foundry or marks 45% |
| 16883 | 50% | 950.0 SEK | identity 54%, material 45%, size 62%, title 41%, 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.