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NILS LANDBERG. KARAFF, med propp, graverat skepp, Orrefors.

Nils Landberg · Art glass · Auktionshuset Thelin & Johansson

Open auction lot
38
low priority

Acquisition position

Current all in cost

375.0 SEK
Current bid or estimate300.0 SEK
Modelled discount36.8%
Liquidity score76%

Potential market value

Specialist value interval

300 to 1000 SEK
Value confidence72%
Comparable sales30

Evidence strength

39%
Identity confidence32%
Visual match0%
External references12

Market anomaly

35%
Information gap50%
Potential undervaluation36.8%

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 signature
  • missing model
  • missing dimensions

Visual laboratory

Add and compare research imagery

Object record

Known facts and missing information

ArtistNils Landberg
MakerMissing
MediumMissing
MaterialsMissing
Dimensions? × ? × ? cm
WeightMissing g
YearMissing
EditionMissing
MarksMissing
ConditionInvändig beläggning.
ProvenanceMissing
Modelglass_specialist 2.0.0

Höjd 27 cm Bredd 15 cm.

Identity resolution

Artist and maker hypotheses

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

6 candidates
1 independent sources

Nils-Ole Lund Danish, born 1930

Visual 0% · Name 86% · Marks 25% · Material 40%

33% combined confidence
1 independent sources

Made by Orrefors Glassworks (Glasbruk) Småland, Sweden, founded 1898

Visual 0% · Name 43% · Marks 25% · Material 40%

26% combined confidence
1 independent sources

Designed by Edward Hald Swedish, 1883-1980 Made by Orrefors Glassworks (Glasbruk) Småland, Sweden, founded 1898

Visual 0% · Name 42% · Marks 25% · Material 40%

26% combined confidence
1 independent sources

Designed by Simon Gate Swedish, 1883-1945 Made by Orrefors Glassworks (Glasbruk) Småland, Sweden, founded 1898

Visual 0% · Name 41% · Marks 25% · Material 40%

25% combined confidence
1 independent sources

Konstantin Grcic (German, born 1965) Manufactured by Moormann (German, founded 1982)

Visual 0% · Name 37% · Marks 25% · Material 40%

25% combined confidence
1 independent sources

Maxime Du Camp French, 1822–1894

Visual 0% · Name 37% · Marks 25% · Material 40%

25% 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

12 references
Art Institute of Chicago

Trouble in Heaven, Presentation Collage

Nils-Ole Lund Danish, born 1930

0% similarityCheck object rights; API metadata is open
Art Institute of Chicago

"Acropolis" Chicago, Collage

Nils-Ole Lund Danish, born 1930

0% similarityCheck object rights; API metadata is open
Art Institute of Chicago

ES Shelf

Konstantin Grcic (German, born 1965) Manufactured by Moormann (German, founded 1982)

0% similarityCheck object rights; API metadata is open
Art Institute of Chicago

Decanter with Stopper

Designed by Edward Hald Swedish, 1883-1980 Made by Orrefors Glassworks (Glasbruk) Småland, Sweden, founded 1898

0% similarityCheck object rights; API metadata is open
Art Institute of Chicago

HUT_AB Coat Stand

Konstantin Grcic (German, born 1965) Manufactured by Moormann (German, founded 1982)

0% similarityCheck object rights; API metadata is open
Art Institute of Chicago

Bowl with Cover and Stand

Designed by Simon Gate Swedish, 1883-1945 Made by Orrefors Glassworks (Glasbruk) Småland, Sweden, founded 1898

0% similarityCheck object rights; API metadata is open
Art Institute of Chicago

Rive Septentrionale du Nil (Village d'Abou-Koli), Vue Prise au Nord de Philoe; Nubie, plate 84 from the album "Egypte, Nubie, Palestine et Syrie" (1852)

Maxime Du Camp French, 1822–1894

0% similarityCheck object rights; API metadata is open
Art Institute of Chicago

Vase

Designed by Simon Gate Swedish, 1883-1945 Made by Orrefors Glassworks (Glasbruk) Småland, Sweden, founded 1898

0% similarityCheck object rights; API metadata is open
Art Institute of Chicago

Liqueur Glass

Designed by Edward Hald Swedish, 1883-1980 Made by Orrefors Glassworks (Glasbruk) Småland, Sweden, founded 1898

0% similarityCheck object rights; API metadata is open
Art Institute of Chicago

Goblet

Designed by Simon Gate Swedish, 1883-1945 Made by Orrefors Glassworks (Glasbruk) Småland, Sweden, founded 1898

0% similarityCheck object rights; API metadata is open
Art Institute of Chicago

Goblet

Designed by Edward Hald Swedish, 1883-1980 Made by Orrefors Glassworks (Glasbruk) Småland, Sweden, founded 1898

0% similarityCheck object rights; API metadata is open
Art Institute of Chicago

Bowl and Stand

Made by Orrefors Glassworks (Glasbruk) Småland, Sweden, founded 1898

0% similarityCheck object rights; API metadata is open

Comparable logic

Specialist model explanation

Comparable IDMatchPriceReasons
2059967%350.0 SEKidentity 100%, material 45%, size 62%, title 73%, factory marks 45%
137067%250.0 SEKidentity 100%, material 45%, size 62%, title 70%, factory marks 45%
642066%800.0 SEKidentity 100%, material 45%, size 62%, title 64%, factory marks 45%
382066%2200.0 SEKidentity 100%, material 45%, size 62%, title 60%, factory marks 45%
287366%400.0 SEKidentity 100%, material 45%, size 62%, title 59%, factory marks 45%
1703355%500.0 SEKidentity 64%, material 45%, size 62%, title 67%, factory marks 45%
2197754%1200.0 SEKidentity 64%, material 45%, size 62%, title 50%, factory marks 45%
1166654%500.0 SEKidentity 64%, material 45%, size 62%, title 52%, 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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