But perhaps the biggest beneficiary has been Professional Sports Authenticator, better known as PSA, which authenticates and grades collectibles. I sat down with PSA President Ryan Hoge to discuss ...

Professional Sports Authenticator—commonly known as PSA, one of the largest and most well-known collectibles grading ...

Condition is ranked by the Professional Sports Authenticator (PSA), the industry standard for the authentication and grading of trading cards. PSA has 11 categories overall, ranging from Gem Mint ...

authentication and certification of his or her own civil registry documents and of his or her immediate family members (spouse, children and parents) can directly proceed to chosen PSA CRS Outlets ...

The popularity of Clark's trading cards hit historic levels this year, eclipsing Paige Bueckers, Angel Reese and JuJu Watkins.