This Autographed Riddell Authentic Full Size Speed Proline Helmet has been Personally Signed by Christian McCaffrey & Brock Purdy of the San Francisco 49ers. This item is 100% Authentic to includes a numbered hologram by Fanatics. We conducted an autograph signing with Christian McCaffrey & Brock Purdy 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.