Dak Prescott Autographed/Signed Pro Style Framed Blue XL Jersey Beckett 36191 The number in the listing title is just an inventory sku for our records and is not the authentication number. The item pictured is a stock photo unless otherwise noted. This is a professionally framed custom size blue XL jersey with sewn on name and numbers that was personally autographed by Dak Prescott. This jersey measures approximately 42" x 34" and includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.