What are Starting Lineup figures worth? Is it better to keep SI for Kids cards in the magazine? We answer our colleagues' ...
Sports and trading card grading giant PSA (Professional Sports ... authenticators and graders assign cards grades on a 1-10 scale -- evaluating surface quality, centering, corners and edges ...
In February, the top four trading card grading companies — Professional Sports Authenticator (PSA), Certified Guaranty Co. (CGC), SGC Grading and Beckett Collectibles — authenticated more than ...