PSA is the world's largest third-party authentication company; the industry leader in card grading as well as autograph and memorabilia authentication.

PSA is the largest and most respected third-party authentication and grading company in the world for trading cards and memorabilia. Authentication is the process of verifying the originality or …

PSA is the largest and most trusted authentication and grading service in the world. Browse the entire archive of gradings by PSA. Check back regularly as the database is updated as more items are added.

Learn a secure, streamlined path to upgraded collectibles with PSA.

Jun 24, 2025 · Sort through the current market values of thousands of PSA-certified sports and non-sports collectibles using the PSA Price Guide.

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PSA's Online Submission Center is the quickest and most efficient way to submit your cards, tickets and packs for authentication and grading purposes.

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PSA articles contain a wealth of information about athletes, cards, card sets, autographs, auctions, prices and top hobby sales. Browse the entire library today to learn more about your collection.