Official National League (Giles) ball signed in blue ink by 30 members of the 1959 Pittsburgh Pirates, including Mazeroski, Haddix, Face, Murtaugh (clubhouse signature, Mgr., sweet spot), Kluszewski, Groat, Virdon, Burgess, Hoak, Law, Friend, Schofield, Kline, Jackson, Witt, Foiles, Nelson, Bright (twice), Mejias, and Christopher. The signatures are fairly uniform in grade, averaging 8/10. Near Mint condition. Full LOA from PSA.
Note: This is a 1958 team ball, not 1959 as originally stated.