Nick Bosa Autographed Ohio State Buckeyes Chrome Mini Helmet- JSA Witnessed Auth This is a hand autographed helmet of Nick Bosa of the Ohio State University. This is a Riddell Football Chrome Mini helmet. This item has a James Spence Witness Authentication, which comes with a JSA #'ed sticker and a matching JSA Certificate Of Authenticity. You can view this item on the SpenceLOA 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 and brand new in great shape.