This Autographed Full Size Speed Proline Helmet W/ Uv Mirrored Back Acrylic Display Case with the inscription of "HOF 85, 2003 Yds in 1973" has been Personally Signed by O.J. Simpson of the Buffalo Bills. This item is 100% Authentic to include a Certificate of Authenticity (COA) / hologram by JSA Witness. This is a JSA Witnessed Protection Program item which means a JSA representative was present when this item was being signed. We conducted an autograph signing with O.J. Simpson 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 Witness.