The 2021 Leaf Pro Set Metal PS1-CC3 Colton Cowser '91 Design Auto Green 8/10 SGC 9 trading card is a unique and valuable item for baseball fans and collectors. This autographed card features Colton Cowser's signature on a label or sticker, with an original Leaf authentication. Manufactured by Leaf in 2021, this metal card is part of a limited set and parallel variety in green. The card represents the Baltimore Orioles player in the Major League (MLB) and is a must-have for fans of the sport.