The Kayo Boxing Cards 1991 Complete Set features 250 standard-sized trading cards, including iconic athletes like Muhammad Ali and Holyfield/Foreman holograms. This vintage set, manufactured by Kayo in 1991, is a must-have for boxing fans looking to own a piece of history. The original cards, with English language text, showcase the sport of boxing and the United States team, making it a valuable addition to any sports memorabilia collection.