This Autographed White Jersey has been Personally Signed by Tyrann Mathieu of the Louisiana State Tigers. This item is 100% Authentic to include a Certificate of Authenticity (COA) / hologram by JSA. 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 JSA. This is a X-Large sized, non-branded, custom-stitched Jersey.