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 70 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.
PSA is the world’s largest trading card, autograph and memorabilia authentication and grading service. Since 1991, PSA has examined and certified over 57 million collectibles with a combined value of over $6 billion. PSA is the only third-party grading company to offer a guarantee on its services. For more information, visit www.PSAcard.com.
