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 ...

Days after announcing a new grading integration with PSA, eBay released additional details on the partnership Wednesday, including information about autographs, pricing and final grading results.

Pokemon Cards are back in vogue. Last year, products became increasingly difficult to come by, and the market price of many popular cards skyrocketed. Logan Paul ensured that trend would continue into ...

Collectors are questioning who actually signed a growing number of Lionel Messi trading card autographs certified by Topps. Leading card grader Professional Sports Authenticator (PSA) has now refused ...