- Willie Mays Autographed Baseball-Official MLB Game Ball-Say Hey! Holo.-Giants Great Willie Mays has personally hand-signed this official MLB baseball. Willie Mays autographs are extremely difficult to come by. This autograph is a must have for baseball fans everwhere. This Willie Mays autograph is guaranteed authentic by a Hologram from Willie's own "Say Hey!" Authentication.
Be the first to review this product.