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RAIJA UOSIKKINEN. "Pirtti", servisdelar i stengods, Arabia Finland, 8 delar.

Raija Uosikkinen · Ceramics and porcelain · Markus Auktioner

Open auction lot
71
priority review

Acquisition position

Current all in cost

340.0 SEK
Current bid or estimate200.0 SEK
Modelled discount65.2%
Liquidity score80%

Potential market value

Specialist value interval

500 to 2327 SEK
Value confidence69%
Comparable sales30

Evidence strength

76%
Identity confidence90%
Visual match90%
External references0

Market anomaly

72%
Information gap67%
Potential undervaluation65.2%

Risk profile

13%
Authenticity risk13%
Condition risk6%

Investigation rationale

Why this may be worth considering

  • strong visual recurrence or reference image match
  • maker or artist identity supplied
  • auction estimate is materially below the specialist model
  • all in acquisition cost is at least 55 percent below modelled value
  • Strong image recurrence
  • Large gap to recent market history
  • Estimate materially below specialist value
  • listing has major information gaps while independent identity evidence is comparatively strong

Decision guardrails

What must be verified

  • category trap check: later factory mark
  • missing factory
  • missing material
  • missing mark
  • missing dimensions

Visual laboratory

Add and compare research imagery

Object record

Known facts and missing information

ArtistRaija Uosikkinen
MakerMissing
MediumMissing
MaterialsMissing
Dimensions? × ? × ? cm
WeightMissing g
YearMissing
EditionMissing
MarksMissing
ConditionBruks- och åldersrelaterat slitage. Bruksspår.
ProvenanceMissing
Modelceramics_specialist 2.0.0

2 assietter, diameter 17 cm. 6 filskålar, diameter 16 cm.

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
2412166%800.0 SEKidentity 100%, material 45%, size 62%, title 78%, factory marks 45%
2357450%1701.0 SEKidentity 52%, material 45%, size 62%, title 49%, factory marks 45%
2326949%650.0 SEKidentity 45%, material 45%, size 62%, title 63%, factory marks 45%
1934348%3800.0 SEKidentity 45%, material 45%, size 62%, title 60%, factory marks 45%
2039648%300.0 SEKidentity 45%, material 45%, size 62%, title 59%, factory marks 45%
1877748%400.0 SEKidentity 45%, material 45%, size 62%, title 59%, factory marks 45%
1925348%1300.0 SEKidentity 45%, material 45%, size 62%, title 58%, factory marks 45%
1824148%300.0 SEKidentity 48%, material 45%, size 62%, title 44%, 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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