This Autographed Alternate Flash Riddell Full Size Speed Proline Helmet W/ Uv Mirrored Back Acrylic Display Case has been Personally Signed by Cooper Kupp of the Seattle Seahawks. This item is 100% Authentic to includes a numbered hologram by Fanatics. We conducted an autograph signing with Cooper Kupp where multiples of the same item were signed. 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. This item can be verified through Fanatics.