The 1976 Isalys Disc Complete Baseball 70 Card Set features baseball trading cards with a 2 3/4 inch diameter. This set includes cards from Major League Baseball players such as Henry Aaron, Reggie Jackson, and other HOF'ers making it a valuable collector's item for fans of the sport. With 70 cards in total, this set captures the essence of the 1976 baseball season, offering a nostalgic glimpse into the world of sports trading cards.