The product is signed by all four 1966 Topps baseball trading cards featuring signed AL Leaders from the Detroit Tigers and Cleveland Guardians. The cards showcase players such as Mickey Lolich, Sonny Siebert, Sam McDowell, and Denny McLain, all from the Major League Baseball (MLB) season of 1966. Made of card stock, these vintage baseball cards are part of the Topps series and are considered valuable collectors' items for fans of the sport. The autographs are considered original and add to the authenticity and appeal of these rare cards. ebay global for international