The 1987 Topps Barry Bonds #320 Rookie Card (Error) is a vintage baseball trading card featuring the Pittsburgh Pirates player during the 1986 season. This original card, part of the Topps set, is made of 20 Pt. card stock and is a standard size. It is a valuable collectible for fans of Major League Baseball and sports trading cards, displaying Bonds as a rising star in the league. Error on back of card #320. The #3 is not completely printed. Print ink smudge over Barry Bonds' name on front. Card is from factory sealed box. Mint.