★★★★★
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
- 160 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.
To Ngoc VanResistance
Resistance is reviewed through Vietnamese modernist context, signature characteristics and known market misattributions. The report asks what the evidence can sustain.
Henri MatisseStill Life with Pitcher
A still life signed Matisse is examined through condition, chromatic structure, signature placement and market context. The case turns on more than style.
Peter MaxSnow White
A Peter Max Snow White work is reviewed through Disney suite context, frame, licensing and proportional details. The report asks what kind of edition story holds.
Keith HaringKeith Haring signature study
A Keith Haring signature study focuses on rhythm, spacing, stroke habit and documented comparables. What can handwriting reveal?
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