The 1990 ProCards A & AA Minor League Stars #46 Frank Thomas RC Rookie Card is a standard-sized sports trading card featuring the Hall of Fame baseball player Frank Thomas. This original rookie card was manufactured by ProCards in the United States in 1990 and belongs to the Major League (MLB) set. The card showcases Thomas as a member of the Birmingham Barons during the 1990 season, making it a valuable collectible for fans of the sport and the player.