Mariano Rivera Autographed Rawlings OML Baseball w/ HOF 2019 - JSA Auth This is a Mariano Rivera hand autographed Rawlings Official Major League Baseball Game Ball inscribed with HOF 2019. This item has a JSA Authentication, which comes with a Beckett numbered sticker and a matching Certificate of Authenticity. You can view this item on the JSA Authentication website and it shows when and where the item was signed. 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, brand new, and in great shape.