1The product is a vintage 1948 Leaf Knock-Out Gum boxing card featuring heavyweight champion Joe Louis. This original sports trading card is made of card stock and is part of the 1948 Leaf set. It is a standard-sized card with the card number 48, manufactured in the United States. The card is in English and depicts Joe Louis as the heavyweight champion, making it a valuable collector's item for fans of boxing and sports trading cards.