Mark Andrews, former All-American tight end for the Oklahoma Sooners, has hand signed this 16x20 photo at a private signing. He included the inscription "Boomer Sooner!" with his signature. 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 photo. 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.