The most valuable baseball rookie cards include some of the game's biggest ... He was also the first Cub in history to have his number retired. Compared to some cards on this list, the 10 PSA 10 grade ...

The 1-of-1 autographed Topps Paul Skenes MLB Debut Patch card became the sixth most expensive baseball card ever.

He reached inside and pulled out four baseball cards — two from catcher ... is the provider of the rarest item in his four-card collection. It's the Tarik Skubal "All Aces" gold insert card.

Detroit Tigers ace Tarik Skubal is now the owner of a 1-of-1 Topps "All Aces" baseball card featuring ... is the provider of the rarest item in his four-card collection. It's the Tarik Skubal ...

Detroit Tigers ace Tarik Skubal is now the owner of a 1-of-1 Topps "All Aces" baseball card featuring himself ... The correctional officer, Colby Duvall, is the provider of the rarest item in his four ...