Description:1966 Pittsburgh Pirates team signed baseball. Spalding W.Giles Official National League baseball has been signed by (21) including Clemente, Mazeroski, Walker, Stargell, Face, and others. Approximately half of the blue ink signatures rate 7/8 to 9 out of 10. The balance, signed in another ink, rate 2/3 to 4/5 out of 10. All (3) Hall of Famers are among the strongest on the ball with Clemente displaying perfectly. Light toning throughout. Includes auction LOA from JSA: Ball EX-EX/MT, Sigs VG/EX-EX/MT