This Autographed Auto Graded Gem Mint 10! 2016 Panini Prizm #231 Rookie Card with the inscription of "ROY 16" has been Personally Signed by Dak Prescott of the Dallas Cowboys. This item is 100% Authentic, it comes slabbed and authenticated by Beckett Authentication Services. We have multiples of this same item. While the photographs are representative of this item, the size, placement and strength of the signature may vary. Each item is hand signed, therefore, each autograph is unique.