AJ Green, Pro Bowl wide receiver for the Cincinnati Bengals, has hand signed this Bengals Riddell Speed full-size replica helmet at a private signing. He included the inscription "Who Dey!!". 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.