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Independent art authentication reports

Is the artwork what it claims to be?

Roy S. personally investigates your case and delivers a signed, evidence-based report.

  • 20+ years in artwork research
  • 161 published case studies
  • Private by default
Review artwork

Reports from $99

Only have a listing link? Start with the case form.

Pablo Picasso Picasso lithograph study artwork image for ConfirmArt expert art authentication evidence reviewPablo PicassoPicasso lithograph studyHenri Edmond Cross Painting attributed to Henri Edmond Cross artwork image for ConfirmArt expert art authentication evidence reviewHenri Edmond CrossPainting attributed to Henri Edmond CrossRoy Lichtenstein Roy Lichtenstein signature study artwork image for ConfirmArt expert art authentication evidence reviewRoy LichtensteinRoy Lichtenstein signature study
ConfirmArt service map: authentication, catalogue research, frame design and conservation assessmentOpen AuthenticationOpen Catalogue researchOpen Frame designOpen Conservation assessment

Real authentication cases

Four examples from the public case archive.

Pablo Picasso Couleurs des Maîtres -- Picasso artwork image for ConfirmArt expert art authentication evidence reviewPablo Picasso

Couleurs des Maîtres -- Picasso

A Picasso-related color composition is reviewed through edition context, printed source and visual evidence. The report asks what kind of Picasso object it is.

F. N. Souza Jesus panel attributed to F. N. Souza artwork image for ConfirmArt expert art authentication evidence reviewF. N. Souza

Jesus panel attributed to F. N. Souza

A Jesus panel attributed to Souza receives a cautious preliminary note: some motif relationships are present, but the object needs reverse and detail images.

Jean-Michel Basquiat Untitled artwork image for ConfirmArt expert art authentication evidence reviewJean-Michel Basquiat

Untitled

An untitled Basquiat claim is reviewed through visual language, marks, support and provenance signals. The case shows why first impressions are not enough.

Marc Chagall The Blue Bird: print bearing Marc Chagall and 64/500 artwork image for ConfirmArt expert art authentication evidence reviewMarc Chagall

The Blue Bird: print bearing Marc Chagall and 64/500

The Blue Bird, a print bearing Marc Chagall and 64/500, is reviewed through the signature, numbering, margins and edition evidence.

Customer experiences

How customers used their report.

Read published reviews on Trustpilot

Evidence prepared for a bank refund process

A buyer reports receiving a detailed assessment in two days and using it to submit refund documentation to their bank.

Dourati · United States · July 2026

Repeated use by an auction-house owner

A professional client reports ordering numerous reports for clients and personal cases, describing the work as precise and fast.

Adrian Jacob · United States · February 2024
Paraphrased from published customer accounts. Individual experiences vary; banks, sellers and other third parties make their own decisions.

Partners and clients

ConfirmArt supports galleries, appraisal platforms, charities, ventures and private collectors.

Selected collaborations and client contexts include gallery inventory, artwork research, authentication support, catalogue documentation and market-facing case files.

Atlantiques Gallery logoAtlantiques GalleryAppraisily logoAppraisily
Goodwill of Central and Northern Arizona logoGoodwill of Central and Northern Arizona
Westmore Gallery logoWestmore Gallery
Ingress Ventures logoIngress Ventures
Invaluable logoInvaluable
eBay logoeBay
and many morePrivate collectors and professionals