Verification
CERTIFICATE AUTHENTICATION
Verify the authenticity of any Hallmark-graded card by entering the certificate number below.
VERIFY CERTIFICATE
Enter your certificate number below to verify the authenticity of your graded card.
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How to Find Your Certificate Number
Your certificate number can be found on the Hallmark certificate that came with your graded card. It is typically located in the following places:
- Top right corner of your certificate
- Below the barcode on the back of the slab
- On your order confirmation email
Why Verify Your Certificate?
Authentication
Confirm your card has been officially graded and authenticated by Hallmark experts.
Protection
Protect yourself from counterfeit cards by verifying the certificate's authenticity.
Value
Maintain and potentially increase your card's value with verified authentication.