The 1991 Donruss Seattle Mariners Baseball Card #417 features Mike Gardiner as a rookie player for the team. This original sports trading card, manufactured by Donruss in the United States, is made of 20 Pt. card stock and belongs to the Major League Baseball (MLB) league. With its English language text and modern design period, this collectible item from 1991 showcases the player in his early career with the Seattle Mariners. As a single card from the 1991 Donruss set, it is a valuable piece for baseball card collectors.