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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.

Franz Edmund Weirotter Landscape sheet related to Franz Edmund Weirotter artwork image for ConfirmArt expert art authentication evidence reviewFranz Edmund Weirotter

Landscape sheet related to Franz Edmund Weirotter

A landscape sheet related to Franz Edmund Weirotter is compared with a British Museum impression, including reversal and watermark evidence.

Fernando Botero Los amantes: painting bearing Botero 69 artwork image for ConfirmArt expert art authentication evidence reviewFernando Botero

Los amantes: painting bearing Botero 69

Los amantes, a painting bearing Botero 69, is compared with the documented 1977 composition. The report does not support this canvas as an earlier Botero version.

Keith Haring Television-headed figure bearing K. Haring FOR PINA 84 artwork image for ConfirmArt expert art authentication evidence reviewKeith Haring

Television-headed figure bearing K. Haring FOR PINA 84

A television-headed figure bearing K. Haring FOR PINA 84 is reviewed through the inscription, the verso and small-format graphic context.

Keith Haring Keith Haring signed artwork artwork image for ConfirmArt expert art authentication evidence reviewKeith Haring

Keith Haring signed artwork

A signed Keith Haring object and exhibition material are reviewed through autograph evidence, event context and visual clues. The report follows the trail.

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