Description:Dak Prescott, Ezekiel Elliott, Amari Cooper, Byron Jones autographed Dallas Cowboys full size chrome Pro Line helmet. Riddell Chrome helmet signed by all four in blue marker. Signature rates 6/7 (Prescott slight smudge) to 9/10 out of 10. Includes NFL Auction COA from PSA/DNA, with matching serial #ed sticker on the helmet: NM