Spalding Official National League (Giles) baseball signed by Hall of Famers Willie Mays and Juan Marichal. From the collection of former Giants manager Clyde King, the Mays signature carries a "Best Wishes" inscription, and is placed on the West panel, allowing it do display as a single-signed ball.The baseball itself is in outstanding condition, the signatures are somewhat faded. Full LOA from James Spence Authentication.