This Autographed Alternate Flash Riddell Authentic Full Size Speed Proline Helmet has been Personally Signed by Dak Prescott, Ezekiel Elliott, CeeDee Lamb of the Dallas Cowboys. This item is 100% Authentic to include a Certificate of Authenticity (COA) / hologram by Beckett Authentication Services. This is a BAS Witnessed Protection Program item which means a Beckett Authentication Service representative was present when this item was being signed. We conducted an autograph signing with Dak Prescott, Ezekiel Elliott, CeeDee Lamb 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 BAS Witnessed.