Same card, same grade, different grading label? It's become enough to alter the overall value on the secondary market.

A 1961-62 Fleer Wilt Chamberlain rookie card has been downgraded from a Gem Mint 10 to a Mint 9 by PSA. The difference in ...

Here are the five most valuable vintage baseball on-card autograph cards of all time. Each card is expensive, but seems to be ...

PSA is making it a smooth transition to turn your graded cards into cash. The top grading company in the industry has created a new program, called PSA Offers, which gives customers the option of ...

PSA parent company Collectors reached an agreement to acquire grading competitor Beckett, the company announced Monday.