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POUL HENNINGSEN. Taklampa, PH-5, för Louis Poulsen. Proveniens: Sydsvenska Dagbladet, Malmö.

Poul Henningsen · Silver and metalware · Crafoord Auktioner Malmö

Open auction lot
35
low priority

Acquisition position

Current all in cost

1503.0 SEK
Current bid or estimate1503.0 SEK
Modelled discount30.0%
Liquidity score84%

Potential market value

Specialist value interval

700 to 3208 SEK
Value confidence71%
Comparable sales30

Evidence strength

40%
Identity confidence36%
Visual match0%
External references12

Market anomaly

26%
Information gap67%
Potential undervaluation30.0%

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 hallmarks
  • missing fineness
  • missing weight
  • missing date_letter

Visual laboratory

Add and compare research imagery

Object record

Known facts and missing information

ArtistPoul Henningsen
MakerMissing
MediumMissing
MaterialsMissing
Dimensions? × ? × ? cm
WeightMissing g
YearMissing
EditionMissing
MarksMissing
ConditionSmärre ytslitage. Fungerade vid katalogiseringstillfället. Ingen funktionsgaranti lämnas.
ProvenanceMissing
Modelsilver_metalware_specialist 2.0.0

Vitlackerad metall, detaljer i lila, blå och röda nyanser. Diameter ca 50 cm, höjd c:a 25 cm.

Identity resolution

Artist and maker hypotheses

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

8 candidates
1 independent sources

Poul Henningsen Danish, 1894-1967 Manufactured by Louis Poulsen Lighting

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

33% combined confidence
1 independent sources

George Cruikshank (English, 1792-1878) published by Hannah Humphrey (English, c. 1745-1818)

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

33% combined confidence
1 independent sources

Designed by Poul Kjaerholm Danish, 1929-1980 Manufactured by E. Kold Christensen and Frtz Hansens Denmark, 20th century

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

33% combined confidence
1 independent sources

Charles Ray American, born 1953

Visual 0% · Name 45% · Marks 25% · Material 40%

26% combined confidence
1 independent sources

Clyfford Still American, 1904-80

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

26% combined confidence
1 independent sources

Designed by Narcissa Niblack Thorne American, 1882-1966

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

25% combined confidence
1 independent sources

Clyfford Still American, 1904-1980

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

25% combined confidence
1 independent sources

Bankoni Bougouni region, Mali Northern Africa and the Sahel

Visual 0% · Name 36% · Marks 25% · Material 40%

24% 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

Artichoke Lamp

Poul Henningsen Danish, 1894-1967 Manufactured by Louis Poulsen Lighting

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

La Poule

George Cruikshank (English, 1792-1878) published by Hannah Humphrey (English, c. 1745-1818)

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

Equestrian and Four Figures

Bankoni Bougouni region, Mali Northern Africa and the Sahel

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

E-21: French Boudoir of the Louis XV Period, 1740-60

Designed by Narcissa Niblack Thorne American, 1882-1966

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

E-23: French Dining Room of the Periods of Louis XV and Louis XIV

Designed by Narcissa Niblack Thorne American, 1882-1966

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

Chair

Designed by Poul Kjaerholm Danish, 1929-1980 Manufactured by E. Kold Christensen and Frtz Hansens Denmark, 20th century

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

PH-246

Clyfford Still American, 1904-80

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

E-24: French Salon of the Louis XVI Period, c. 1780

Designed by Narcissa Niblack Thorne American, 1882-1966

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

PH-774

Clyfford Still American, 1904-1980

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

E-18: French Salon of the Louis XIV Period, 1660-1700

Designed by Narcissa Niblack Thorne American, 1882-1966

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

E-22: French Provincial Bedroom of the Louis XV Period, 18th Century

Designed by Narcissa Niblack Thorne American, 1882-1966

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

Untitled

Charles Ray American, born 1953

0% similarityCheck object rights; API metadata is open

Comparable logic

Specialist model explanation

Comparable IDMatchPriceReasons
1424367%2018.0 SEKidentity 100%, material 45%, size 62%, title 92%, hallmarks 45%, weight 62%
1431667%1919.0 SEKidentity 100%, material 45%, size 62%, title 92%, hallmarks 45%, weight 62%
1382767%2300.0 SEKidentity 100%, material 45%, size 62%, title 92%, hallmarks 45%, weight 62%
1833967%3519.0 SEKidentity 100%, material 45%, size 62%, title 84%, hallmarks 45%, weight 62%
511465%2500.0 SEKidentity 100%, material 45%, size 62%, title 60%, hallmarks 45%, weight 62%
1521364%2374.0 SEKidentity 93%, material 45%, size 62%, title 81%, hallmarks 45%, weight 62%
1450262%2000.0 SEKidentity 90%, material 45%, size 62%, title 46%, hallmarks 45%, weight 62%
328454%3208.0 SEKidentity 65%, material 45%, size 62%, title 41%, hallmarks 45%, weight 62%

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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