Antonio Brown continues to cement himself among one of the best wide receivers to ever play the game. Antonio Brown has signed this authentic proline VSR4 Steelers helmet. The autograph includes an official Steiner hologram and matching COA for authenticity purposes. A Steiner Sports Certificate of Authenticity is included. Comes with a tamper-evident hologram from STEINER SPORTS Officially licensed by the NFL hand signed authentic Proline helmet signed by Antonio Brown. This piece comes complete with the serial numbered hologram from Steiner Sports hologram. If for any reason you are not completely satisfied with the quality or authenticity of your purchase, we will gladly give you a full refund or exchange, whichever you prefer up to 30 days after purchase. Authenticator : Steiner Sports Authenticated History of item : Antonio Brown has signed this item in the presence of a representative from Steiner Sports.