Certificates & Authentication

Every collectible we sell is backed by industry-leading authentication. Certificates of Authenticity (COA) are issued by trusted third-party services.

PSA/DNA

Professional Sports Authenticator — the gold standard in autograph authentication with over 40 million items certified.

James Spence Authentication

One of the most respected names in autograph authentication, trusted by collectors worldwide.

Beckett Authentication Services

Industry-leading authentication with rigorous standards and tamper-evident security features.

Read our full Authenticity Guarantee