Description:October 6, 1985 Phil Niekro autographed 300th win game attributed baseball. Rawlings B.Brown Official American League baseball with soiling and strong usage wear has been signed "Phil Niekro" and inscribed "300 10-6-85." Signature rates 8 out of 10. An included letter of provenance from former umpire Dave Phillips relays that the ball was used in the game Yankees vs. Blue Jays game in which the historic feat was recorded. Includes auction LOA from JSA and letter of provenance from Dave Phillips: EX