This Autographed Yellow Authentic Proline Full Size Helmet has been Personally Signed by Shaquille O'Neal of the Louisiana State Tigers. This item is 100% Authentic to include a Certificate of Authenticity (COA) / hologram by Beckett Authentication Services. This is a stock item in which we have several available. The one you will receive will be of equal quality to the one pictured. This item can be verified through BAS.