A little more than two months after launching comic book and magazine grading as a new category, PSA is expanding the vertical to include dual service autograph authentication, the company announced ...

Collectibles grading and authentication giant Professional Sports Authenticator (PSA) has announced that the company will enter the comic book grading and authentication field in early 2025. Founded ...

JERSEY CITY, N.J.--(BUSINESS WIRE)--Professional Sports Authenticator (PSA), the leading authenticator and grader of sports cards and memorabilia, announces the launch of its services for Funko Pops!.

Hey PSA fans, we have more news for you. The latest platform updates for May and June 2026 introduce significant financial ...