The 2017 Topps Tribute Mark McGwire #79 trading card is a standard-sized sports trading card featuring the Major League Baseball player Mark McGwire from the Oakland Athletics. This original card is part of the 2017 Topps Tribute set, made of card stock, and is not autographed. It is a base set card manufactured by Topps in the United States, catering to baseball fans who collect memorabilia from the MLB season.