This is a rare and valuable 1999 Topps Chrome baseball card featuring Mark McGwire of the St. Louis Cardinals. The card is a refractor parallel variety and has been well-preserved, making it an excellent addition to any collection. It is an original, authentic card manufactured by Topps and is a single product from the 1999 Topps Chrome series. The card attributes include a diamond cut design and the player's name and team are clearly displayed. This is a must-have for any Major League baseball fan or collector.