Clinton Portis Autographed Denver Broncos Eclipse Speed Mini Helmet - JSA Witness *Orange This is a hand autograph of Clinton Portis of the Denver Broncos on a Riddell Football Eclipse Speed Mini Helmet. This item has a JSA Witnessed Authentication, which comes with a numbered sticker and a matching JSA Certificate of Authenticity. You can view this item on the JSA Authentication website, 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.