Len Dawson, former Hall of Fame quarterback for the Kansas City Chiefs, has hand signed this Chiefs Riddell full-size throwback helmet at a private signing. He included the inscription "HOF 87" with his signature. This item comes with a certificate of authenticity (COA) from JSA - James Spence Authentication and was signed in the presence of one of their representatives. You will receive a serial-numbered COA along with a matching serial-numbered sticker on the helmet. The authenticity can be verified online by entering the serial number.Item pictured may not be the exact item you will receive. It will be similar quality, and we guarantee your satisfaction.