Spalding Official National League baseball signed by 20 members of the 1966 Pittsburgh Pirates. The signatures are faded in many places, having been on display in the collection of their owner, former Pirates pitching coach Clyde King. Signatures include Harry "The Hat" Walker (coach), Manny Mota, Steve Blass, Bob Purkey, Clyde King, Johnny Pesky (coach), Jesse Gonder, Bob Veale, Elroy Face, Jerry Lynch, Don Cardwell, Pete Mikkelsen, Bob Purkey, Alex Grammas (coach), Bill Mazeroski (HOF), Jose Pagan, Hal Smith, Gene Alley. Full LOA from James Spence Authentication.