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300 Win Club Signed Pitching Rubber Tom Seaver, Earl Wynn, etc. – COA JSAGo Back
Six members from the most prestigious fraternities among pitchers penned perfect blue felt tip signatures (“8″) on this unique piece. An authentic 6″ x 24” pitching rubber with an accomplishment plaque affixed has been signed by the following 300-Win hurlers: Phil Niekro, Gaylord Perry, Don Sutton, Warren Spahn, Early Wynn and Tom Seaver.
Authentication: JSA Full Letter