Official National League (Giles) ball signed in blue ink by Roberto Clemente and 21 other players, including seven members of the 1970 Pittsburgh Pirates: Matty Alou, Richie Hebner, Steve Blass, Bob Moose, Milt May, Jose Pagan, and Luke Walker. This ball may have been obtained in spring training of 1970, because it includes Richie Zisk, who did not make the team that year, as well as players on other clubs in 1970, including Jerry Reuss (Cardinals), Chris Zachary (Cardinals minor league team in 1970), Bob Stinson (Dodgers), Bob Miller (Indians & White Sox in 1970), Dal Maxvill (Cardinals), and Carl Taylor (Cardinals). The signatures are all fairly uniform in grade, averaging 7/10. The ball is moderately soiled and is in Excellent condition overall. Full LOA from PSA.