Official 1999 World Series baseball signed in blue ink by thirty-one members of the 1999 World Champion New York Yankees, including Jeter, Torre (Mgr., sweet spot), Rivera, Cone, O'Neill, Martinez, Stanton, Nelson, Girardi, Pettitte, Hernandez, Clemens, Brosius, Knoblauch, Spencer, Strawberry, Williams, Pettitte, Zimmer (coach), Randolph (coach), Stottlemyre (coach), Chambliss (coach), and Leyritz. Signatures average 8/10. Near Mint to Mint condition. Full LOA from PSA.