Certificate of Authenticity: The autograph on this item has been certified authentic by Fanatics Authentic, one of the largest & most reputable memorabilia companies in the industry. This piece includes the Fanatics tamper-proof authentication sticker, which can also be assessed and verified anytime/anywhere on their online database on their website.  Please see photos in listing to evaluate the condition of this item. There seems to be a little dirt by the Kupp signature on the item.