The product is a 2020 Topps Diamond Icons autographed Mark McGwire card, numbered 6 out of 10. This baseball trading card features a hard-signed autograph by Mark McGwire, a member of the Oakland Athletics team. The card is made of standard card stock material and is an original piece manufactured by Topps in the United States. It is a part of the Major League (MLB) league and is in near mint or better condition. This collectible item is a valuable addition for fans of Mark McGwire and baseball trading cards.