The product is a vintage 1989 Topps Mark McGwire #70 weight error card featuring the Oakland Athletics player. This original baseball trading card is made of card stock with a thickness of 20 Pt. It is part of the Major League Baseball (MLB) and is in English language. The card is a standard size and is not autographed. It is a part of the 1989 Topps set and is a base card from the MLB World Series event.