Raiders fans will love this Amari Cooper Autographed Oakland Raiders Full Size Authentic Helmet - JSA Certified Authentic! Amari Cooper is a rising NFL star for the Oakland Raiders after the wide receiver set school records at the University of Alabama. A full size authentic helmet is just like the pros wear and Amari Cooper's signature makes this perfect for any Raiders fan and collector! This autographed item is a certified authentic and comes with a Certificate of Authenticity from James Spence Authentication (JSA). This item is also backed by our 100% Money Back Guarantee. You can get your Amari Cooper signed Oakland Raiders full size authentic helmet here now!