This Autographed Alternate Flash Riddell Authentic Full Size Speed Proline Helmet has been Personally Signed by Deebo Samuel of the San Francisco 49ers. This item is 100% Authentic to include a Certificate of Authenticity (COA) / hologram by JSA. We conducted an autograph signing with Deebo Samuel 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 JSA.