This Houston Oilers Riddell full-size replica helmet has been hand signed by 5 Oilers Hall of Famers; Earl Campbell, Warren Moon, Bruce Matthews, Curley Culp and Elvin Bethea. Each player included his HOF year inscription. This item comes with a certificate of authenticity (COA) from Beckett Authentication Services 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.