Bob Lilly, former Hall of Fame defensive tackle for the Dallas Cowboys, has hand signed this official Wilson NFL throwback football at a private signing. He included the inscriptions "HOF 80" and "Mr Cowboy" 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 ball. 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.