DeMarco Murray autographed Dallas Cowboys Riddell Mini Helmet. .DeMarco Murray EXCLUSIVE HOLOGRAM & GTSM COA The authentication is from GTSM!. The only place you can get this is from GTSM. Murray is an exclusive athlete of GTSM. This signature is not authenticated by opinion but it is WITNESSED by a representative of GTSM as well as Rochester Sports! 100% AUTHENTIC!!! It is a great item and a must for all great sports fans! We have some of the best connections in the memorabilia business and if you give our business a chance, you will see that we are out to please our customers 100%! WE ARE CURRENTLY OFFERING $5.99 SHIPPING ON THIS ITEM If you are satisfied with the transaction, please leave us positive feedback and a 5 star rating. Our goal is to maintain a perfect rating. Thanks!