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Professional Sports Authenticator (PSA) is the largest and most trusted third-party grading and authentication company in the world. Cards and collectibles graded by PSA are worth considerably more than those that are not. As the grading standard of the industry, PSA is the preferred choice of collectors, dealers and auction houses worldwide. Founded in 1991, PSA has processed over 30 million cards and collectibles with a cumulative declared value of over a billion dollars. Each month they process approximately 100,000 submissions from hobbyists who are serious about maximizing the value of their collections. By providing the advantage and protection of impartial, third-party grading, PSA has created a market in which collectors can participate with complete confidence and trust.

Professional Sports Authenticator (PSA) is the largest and most trusted third-party grading and authentication company in the world. Cards and collectibles graded by PSA are worth considerably more than those that are not. As the grading standard of the industry, PSA is the preferred choice of collectors, dealers and auction houses worldwide. Founded in 1991, PSA has processed over 30 million cards and collectibles with a cumulative declared value of over a billion dollars. Each month they process approximately 100,000 submissions from hobbyists who are serious about maximizing the value of their collections. By providing the advantage and protection of impartial, third-party grading, PSA has created a market in which collectors can participate with complete confidence and trust.