The product is a 1976 Topps Keith Hernandez #542 trading card featuring the Major League Baseball player from the St. Louis Cardinals. This card is part of the 1976 Topps set and is classified as a base card. It is a valuable collectible for baseball fans and card collectors alike, offering a glimpse into the past season of the sport. This particular card is in near mint or better condition and is a sought-after item for fans of Keith Hernandez and the St. Louis Cardinals.