The product is a 2008 Upper Deck UD Premier Game Used Jersey Patch card featuring Carl Yastrzemski of the Boston Red Sox. Limited to only 12 cards, this original sports trading card is a piece of memorabilia from the Major League Baseball (MLB) World Series. Manufactured in the United States by Upper Deck, this card includes a jersey patch from the player's game-worn uniform, making it a valuable collector's item for baseball fans and card enthusiasts alike.