This Official National League William D. White baseball has been signed by eight members of the 300 Win Club. Warren Spahn has signed the sweet spot of this baseball, inscribing “363” below his signature. Tom Seaver, Don Sutton, and Nolan Ryan have signed the panel north of the sweet spot, while Gaylord Perry and Steve Carlton have signed the panel south of the sweet spot. Early Wynn has signed the east panel and Phil Niekro has signed the west panel. The signatures have been written in blue pen. With the exception of Nolan Ryan, each pitcher inscribed their career win total beneath their signature. This baseball comes with a LOA from Steve Grad of Beckett Authentication Services (A79349).

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