This item has been hand signed by Kansas City Chiefs quarterback and 2018 NFL MVP Patrick Mahomes. The signature on this item has been authenticated by Steiner Sports and features a uniquely numbered tamper proof hologram which can be verified in our online database. This process ensures your item is authentic and prevents duplication and fraud Steiner Sports Authenticated 100% authentic Perfect Gift/Collector's Item Discount codes or promos are not applicable; Orders with codes/promoswill be cancelled at Steiner Sports discretion.