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PSA - Professional Sports Authenticator

PSA - Professional Sports Authenticator



Professional Sports Authenticator is the largest and most trusted third-party grading and authentication company in the world. PSA is the preferred choice of collectors, dealers and auction houses worldwide. PSA has processed over 20 million cards and collectibles with a cumulative declared value of over a billion dollars.

Founded by PSA in 1998 in response to widespread counterfeiting, forgery and piracy of autographed collectibles, PSA/DNA is the world's leading third-party authentication service for autographs and memorabilia.


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