The major trading card authenticators graded more than 26 million cards in 2025, according to year-end data released by ...

According to Gemrate and data from November of 2025, Professional Sports Authenticator (PSA) graded 1.66 million cards.  Certified Guaranty Company (CGC) graded the second most sports and trading ...

Indiana Fever superstar Caitlin Clark was limited to 13 games in her second season in the WNBA due to injuries, but Clark's availability didn't affect her ability to sell sports trading cards this ...

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!.