Yordan Alvarez Autographed Black Rawlings Pro Baseball Bat - JSA *Silver This is a hand autographed Baseball Bat of Yordan Alvarez. This is a Rawlings Black Professional Model Bat. This item has a JSA Authentication, which comes with a numbered sticker hologram and a matching COA for verification. You can view this item on the JSA Authentication 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.