Baker Mayfield Autographed Signed Oklahoma Sooners Full Size Replica Helmet w/ Heisman '17- Authenticated by BeckettEnhance your sports memorabilia collection with this Baker Mayfield autographed Replica Helmet. This Helmet was personally autographed by Baker Mayfield of the Sooners. Included is a serial numbered hologram and Certificate of Authenticity (COA) from Beckett Authentication Services (BAS). The item shown is a stock image from our actual on-hand inventory unless otherwise noted. This autographed Replica is the perfect addition to any fan's collection!Authenticated by Beckett Authentic ServicesIncludes Beckett serial numbered hologram and COAAuthenticity of item can be verified online