Mariano Rivera Autographed Rawlings OML Black Baseball W/Enter Sandman-JSA Auth This is a Hand Autographed Baseball of Mariano Rivera. This is a Rawlings Official Game Ball Major League Baseball. This item has a James Spence Authentication, which Comes with a JSA #'ed Sticker and a Matching JSA COA. You can view this item on the SpenceLOA website. It was signed either at a public autograph appearance or a Private Signing. This is a stock photo of the item. Although you may not receive this exact item, the item you receive is virtually identical and brand new in great shape.