1960 Pittsburgh Pirates World Series Champions team signed ball with AUTHENTIC ROBERTO CLEMENTE signature on sweet spot!! Unusual to see Clemente's signature on the sweet spot!

29 total signatures on Official National League Warren Giles ball. All the keys are here; Clemente, World Series hero Mazeroski,  MVP Dick Groat, Don Hoak, Law,Friend, Roy Face, Haddix, Virdon. Murtaugh has been deemed a clubhouse version.

Letter of authenticity from James Spence Authentication, iron clad real deal!