Verify Autographs &
Graded Cards
All-in-one cert lookup across PSA, Beckett, CGC, Upper Deck, BGS and 20+ more. Every scan is auto-checked against the world's largest Fraud Alert database — 20,000+ known fake, stolen & compromised certificates.
How It Works
Three simple steps to verify authenticity.
Choose Provider
Select the authentication company (like PSA, Beckett) that matches your item's COA or slab.
Enter Number
Type the certificate/serial number manually, or use our camera/OCR tools to scan it directly.
Get Results
See the official database record instantly, plus any Fraud Alert warnings if the number is suspicious.
Choose Provider
Select the authentication company (like PSA, Beckett) that matches your item's COA or slab.
Enter Number
Type the certificate/serial number manually, or use our camera/OCR tools to scan it directly.
Get Results
See the official database record instantly, plus any Fraud Alert warnings if the number is suspicious.
See How Fraud Alert Works
Every verification runs two parallel checks simultaneously — official provider databases and our own database of 20,000+ compromised certificates.

PSA Certificate #135892377
2025 Panini Donruss Downtown — Brian Thomas Jr.
Warning: CheckCOA flagged this PSA certificate for potential fraud. Fake slab and possibly fake card reported.
Security Status
Risks Found
Fakes Detected
0
Est. Loss Prevented
$0
Why CheckCOA?
Built by a collector with 20 years in the hobby for collectors and dealers who can't afford to get burned.
Fraud Alert
Every certificate is automatically checked against the world's largest database of fake, stolen, and compromised certs. Fake slabs, duplicate stickers, rehoused cards — flagged instantly, on every scan.
Certificate flagged as potentially compromised.
Every Provider. One Place.
PSA, Beckett, SGC, CGC, Upper Deck, JSA, SWAU, Tristar and 15+ more — autograph COAs and graded cards all supported.








Universal Scanner
Verify any certificate in seconds, any way you prefer.
Smart History & Collections
Every scan saved automatically. Search by name, cert number, provider or date. Organize into collections or a wishlist.
Michael Jordan Auto
PSA · AG57199
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Lionel Messi Signed
Beckett · 2W114113
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FREE
For new collectors
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COLLECTOR
For serious collectors
- 200 Verifications/month
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DEALER
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