In 1937, O-Pee-Chee introduced a set of baseball cards. With a unique 'pop-out' design, they were intended to offer a three-dimensional look. The cards were black and white and included many popular players of the day, including Bob Feller, Joe DiMaggio, and Hank Greenberg. The cards of all three players are from relatively early in their careers and the card of Feller, … [Read more...] about After Nearly 30-Year Hiatus, O-Pee-Chee Baseball Cards Returned in 1965
