The Baseball Hall of Fame and Museum’s “Shoebox Treasures,” which is an exhibit of more then, 2,000 baseball cards has nearly 30 additional cards including 14 of the game’s earliest Black players following Jackie Robinson’s big league debut in 1947. Those cards are on loan from PWCC which is a major card seller and buyer. Admission to “Shoebox Treasures” is included with regular Hall of Fame admission.