PSA closes grading loophole

PSA, the biggest authenticator of trading cards, has for years had a major loophole that left counterfeit cards appearing to ...

Why the $1.7 million Wilt Chamberlain rookie card was crossed to PSA 10

The 1961 Fleer Wilt Chamberlain, previously in an SGC 10 slab and purchased in a private sale via Goldin Auctions, has been ...