Mickey Mantle Signed Baseball, Inscribed 536 HR’s. Rare Auto. PSAThe Mick! Offered here is a superb Mickey Mantle single signed baseball, presented in bold, blue ball point ink across the sweet spot. Mantle added the his legendary 536 HRs inscription, commemorating his career home run total as the centerpiece of the New York Yankees dynasty of the 1950s and 60s. Mantle remains one of the most beloved figures in baseball history and certainly one of, if not the most collected in the hobby. Single signed baseballs