A New York Yankees Rawlings Official Major League Black MLB Baseball hand signed by Mariano Rivera. The item and signature are in excellent condition. In addition to signing his name, Mariano also inscribed "Sandman" on the item. Mariano is a former professional baseball player, a 13x All Star and a 5x World Series Champion. AUTHENTICATION: The item is accompanied by a Beckett Serial Numbered and Databased Hologram.