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LISA SOLLANDER-BLOMQVIST (FÖDD 1910). Skogsväg med björkar och vatten, olja på duk, signerad och daterad 72.

Lisa Sollander-Blomqvist · Paintings · Skandia Auktion

Open auction lot
54
research

Acquisition position

Current all in cost

600.0 SEK
Current bid or estimate300.0 SEK
Modelled discount43.2%
Liquidity score82%

Potential market value

Specialist value interval

300 to 3200 SEK
Value confidence69%
Comparable sales30

Evidence strength

76%
Identity confidence90%
Visual match90%
External references0

Market anomaly

42%
Information gap40%
Potential undervaluation43.2%

Risk profile

8%
Authenticity risk8%
Condition risk6%

Investigation rationale

Why this may be worth considering

  • strong visual recurrence or reference image match
  • maker or artist identity supplied
  • Strong image recurrence

Decision guardrails

What must be verified

  • missing medium
  • missing dimensions

Visual laboratory

Add and compare research imagery

Object record

Known facts and missing information

ArtistLisa Sollander-Blomqvist
MakerMissing
MediumMissing
MaterialsMissing
Dimensions? × ? × ? cm
WeightMissing g
YearMissing
EditionMissing
MarksMissing
ConditionEj examinerad ur ram.
ProvenanceMissing
Modelpainting_specialist 2.0.0

Ca 61x50 cm Ram ca 78,5x67,5 cm Has resale rights.

Identity resolution

Artist and maker hypotheses

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

0 candidates
Research pending

No identity hypotheses yet

Run global research after adding the clearest available front, back, marks and label images.

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

0 references
Research pending

No external references stored

Run global research to search museum and authority collections.

Comparable logic

Specialist model explanation

Comparable IDMatchPriceReasons
2375353%300.0 SEKidentity 49%, material 45%, size 62%, title 65%
2387451%3200.0 SEKidentity 45%, material 45%, size 62%, title 64%
2403251%750.0 SEKidentity 53%, material 45%, size 62%, title 35%
2377451%200.0 SEKidentity 45%, material 45%, size 62%, title 60%
2423450%750.0 SEKidentity 42%, material 45%, size 62%, title 67%
2396050%746.0 SEKidentity 45%, material 45%, size 62%, title 55%
2414450%260.0 SEKidentity 45%, material 45%, size 62%, title 53%
2374250%6675.0 SEKidentity 45%, material 45%, size 62%, title 52%

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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