Autographed by Mariano Rivera, this Baseball with "Enter Sandman" Inscription & Mahogany Baseball Display Case is ready to boost your New York Yankees memorabilia. Featuring an official team design, this baseball is an essential keepsake for any New York Yankees fan. It showcases Mariano Rivera's distinct signature on the ball to provide a noteworthy piece to your collection. On top of that, it also includes the inscription "Enter Sandman".