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ANNE NILSSON. Snapsglas, 6 st, "Clown", Orrefors.

Anne Nilsson · Art glass · Stockholms Auktionsverk Magasin 5

Open auction lot
36
low priority

Acquisition position

Current all in cost

569.09 SEK
Current bid or estimate1100.0 SEK
Modelled discount35.7%
Liquidity score76%

Potential market value

Specialist value interval

300 to 1700 SEK
Value confidence72%
Comparable sales30

Evidence strength

38%
Identity confidence29%
Visual match0%
External references1

Market anomaly

29%
Information gap33%
Potential undervaluation35.7%

Risk profile

8%
Authenticity risk8%
Condition risk6%

Investigation rationale

Why this may be worth considering

  • maker or artist identity supplied

Decision guardrails

What must be verified

  • missing model
  • missing dimensions

Visual laboratory

Add and compare research imagery

Object record

Known facts and missing information

ArtistAnne Nilsson
MakerMissing
MediumMissing
MaterialsMissing
Dimensions? × ? × ? cm
WeightMissing g
YearMissing
EditionMissing
MarksMissing
ConditionMindre slitage.
ProvenanceMissing
Modelglass_specialist 2.0.0

Signerade, höjd ca 19 cm.

Identity resolution

Artist and maker hypotheses

Ranked from independent evidence. Confirmation or rejection becomes controlled training data.

1 candidates
1 independent sources

José Guadalupe Posada Mexican, 1852-1913

Visual 0% · Name 44% · Marks 25% · Material 40%

26% combined confidence

Closed deal feedback

Teach the valuation model

Enter the verified hammer price after the auction closes. Only verified outcomes become calibration data.

Learning guardrail

Truth before training

  • Unverified AI output is stored as a hypothesis only.
  • One-source matches are confidence capped.
  • Rejected matches improve source and feature calibration.
  • At least five verified closed sales are required per category.

Global research evidence

Reference material found elsewhere

1 references

Comparable logic

Specialist model explanation

Comparable IDMatchPriceReasons
578669%1700.0 SEKidentity 100%, material 45%, size 62%, title 100%, factory marks 45%
1086169%500.0 SEKidentity 100%, material 45%, size 62%, title 98%, factory marks 45%
832168%300.0 SEKidentity 100%, material 45%, size 62%, title 86%, factory marks 45%
1703367%500.0 SEKidentity 100%, material 45%, size 62%, title 78%, factory marks 45%
362268%700.0 SEKidentity 100%, material 45%, size 62%, title 81%, factory marks 45%
1701467%500.0 SEKidentity 100%, material 45%, size 62%, title 77%, factory marks 45%
1834767%300.0 SEKidentity 100%, material 45%, size 62%, title 74%, factory marks 45%
1990667%1200.0 SEKidentity 100%, material 45%, size 62%, title 71%, factory marks 45%

Automatic signature module

Every artwork image is checked for signatures and marks

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.

Candidate regions0
Signature regions0
AI enrichmentLocal only
PipelineNot run

No automatic mark result yet

The module runs during normal analysis when a local image is available.

Marks laboratory

Isolate and identify signatures, hallmarks and maker marks

110 independent methods generate cleanup variants, stroke and symbol descriptors, library matches, trust controls and conflict warnings.

Open mark library

Match an unknown mark

Upload the tightest available crop. Include a little surrounding surface so the system can separate paint, engraving, glare and background.

Add a known reference

Signature forensics

Check consistency with known genuine variation

This does not declare a signature genuine. It measures fit against a multi-source reference set, confusing signers and natural variation.

No forensic check yet

Run mark matching first, then compare the questioned signature against a sufficiently broad trusted reference set.

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