Autographed MLB baseball from Don Larsen, legendary Yankees pitcher. Add this ball to your collection and commemorate World Series history! In addition, the ball is also inscribed "PG 10-8-56," signifying the date Larsen pitched his most notable performance, the only perfect game (as well as the only no hitter) in the history of the World Series. This hand-signed item comes with a Certificate of Authenticity from Latitude Sports Marketing.