The Topps 2011 Topps Buster Posey San Francisco Giants Limited Edition #198 is a valuable sports trading card featuring Major League Baseball player Buster Posey from the San Francisco Giants. This original card is a part of the 2011 Topps set and is made of card stock material. With its limited edition status and unique design, this collectible item is a must-have for fans and collectors of baseball memorabilia.