The product is a 1998 Topps Finest Mystery Finest 1 #M1 Ken Griffey Jr Frank Thomas Card Insert featuring Frank Thomas of the Chicago White Sox. This baseball trading card is part of the Major League Baseball (MLB) league and is an insert within the 1998 Topps Finest set by manufacturer Topps. The card showcases a standard size and is a valuable collectible for fans of sports memorabilia and trading cards.