Official National League (Giles) ball signed by Willie Mays on a side panel. Willie Mays single-signed balls dating from his playing career are rare and this is an outstanding example dating from the prime of his career in the 1960s. Mays has inscribed the ball "Best Wishes/Willie Mays" in red ink on a side panel, with the signature grading 7.5/10. The ball remains in Excellent condition, with clear manufacturer's stampings. Full LOA from PSA.