ENCASED This 2018 Bowman Chrome card is an excellent addition to any baseball fan's collection, especially fans of the Oakland Athletics. The card is autographed by Matt Chapman himself, and is the only one of its kind, as it is one of one. It is a limited edition card that is serial numbered and has an embossed design adding to its unique features. Don't miss out on this rare opportunity to own a card signed by a Major League (MLB) player and authenticated by Topps.