Custom frame measures 34.5" x 42.5" in size and features a Nike jersey that has been hand-signed by Dalvin Cook (Minnesota Vikings).The lot / autograph(s) includes an official James Spence Authentication (JSA) hologram and matching COA as well as an official Dalvin Cook hologram for authenticity purposes. The signing of this item was witnessed by JSA.Authentication: JSA COA & Cook Hologram