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.