★★★★★
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 2026Independent 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
Only have a listing link? Start with the case form.
Real authentication cases
Four examples from the public case archive.
James GreenPortrait of James Hall, attributed to James Green
A portrait identified as James Hall is tested against James Green comparables, reverse labels and the signature. The attribution stays qualified, and the gallery figure is an asking price.
Henri Edmond CrossPainting 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.
Pablo PicassoFrançoise Gilot
A Francoise Gilot-related Picasso case is examined through provenance, composition and the Gerda Becker narrative. The report weighs story against object.
Keith HaringKeith 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.
★★★★★
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 2024Partners 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.
Goodwill of Central and Northern Arizona
Westmore Gallery
Ingress Ventures
Invaluable
eBayand many morePrivate collectors and professionals