Custom on-field style jersey. Everything sewn on, size XL . Hand-signed by Brian Bosworth (Seahawks). Bosworth played college football for the University of Oklahoma, and was a two-time consensus All-American. He gained fame and notoriety through his flamboyant personality, controversial comments about the National Collegiate Athletic Association (NCAA) and radical hair cuts. The lot / autograph(s) includes an official James Spence Authentication (JSA) hologram and matching COA for authenticity purposes. The signing of this item was witnessed by JSA.Authentication: JSA COA