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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.

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

Eroica Basquiat study

A Basquiat-related Eroica case is examined through surface, iconography, inscription and market context. The report asks what the evidence supports.

Pablo Picasso Painter and model drawing artwork image for ConfirmArt expert art authentication evidence reviewPablo Picasso

Painter and model drawing

A painter and model drawing is reviewed through paper, crayon, certificate evidence and catalogue context. The report follows support and source together.

Pablo Picasso Picasso Dinant study artwork image for ConfirmArt expert art authentication evidence reviewPablo Picasso

Picasso Dinant study

A Dinant-related Picasso study is reviewed through reproduction history, dating, artistic analysis and signature evidence. What does the timeline reveal?

Henri Edmond Cross Painting attributed to Henri Edmond Cross artwork image for ConfirmArt expert art authentication evidence reviewHenri Edmond Cross

Painting attributed to Henri Edmond Cross

A coastal painting signed Henri Edmond Cross is reviewed through composition, support, provenance, signature and modern material clues. Open the case to see the findings.

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