Chase Claypool Autographed Black NFL Nike Game Jersey- Beckett W *Black This is a Chase Claypool of the Pittsburgh Steelers hand autographed NFL Nike Game jersey. This item has a Beckett Witnessed Authentication, which comes with a numbered sticker and a matching Beckett Certificate of Authenticity. You can view this item on the Beckett 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, brand new, and in great shape. Jersey size is L.