This Texas A&M Riddell full-size replica helmet his been hand signed by 5 of the greatest Aggies of all-time; John David Crow; Johnny Manziel; Von Miller; Dat Nguyen and Luke Joeckel. Crow included the inscription "57 Heisman"; Manziel included "12 Heisman"; Miller included "2010 Butkus"; Joeckel included "2012 Outland" and Nguyen included "1998 Bednarik & Lombardi". This items comes with a certificate of authenticity (COA) from JSA - James Spence Authentication and a serial-numbered hologram from Tristar. 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 numbers.Item pictured may not be the exact item you will receive. It will be similar quality; and we guarantee your satisfaction.