Find out what your collectibles are worth, and if they are rare or common, using these free PSA resources.
Explore PSA resources designed to enhance your collecting experience.
PSA Set Registry
Organize your PSA-graded collection and compete with other collectors for the best sets.
New to Collecting?
Read informative articles regarding the basics of trading cards and other collectibles.
Before spending hundreds on your autograph collection, invest as little as $10 on peace of mind.
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Clean Sweep's Two-Day Affordable All Sports Card, Autograph and Memorabilia: Now Open, Ends April 12 & 13.
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The Foundation of All Great Collections.
Professional Sports Authenticator (PSA) is the largest and most trusted third-party trading card authentication and grading company in the world. Since its inception in 1991, PSA has certified over 40 million cards and collectibles with a cumulative declared value of over a billion dollars.
PSA is a division of Collectors Universe, which has offices in California, New Jersey, Paris, Hong Kong, Shanghai and Tokyo.
As the only third-party grading service to offer a guarantee on its services, PSA has emerged as the clear leader in authentication and grading for trading cards and other collectibles.