You can view this item on the SpenceLOA website and it shows when and where the item was signed.
OJ Simpson Autographed Helmets, Signed OJ Simpson Inscripted Helmets
NFL Memorabilia – Tagged Player_O.J. Simpson – Super Sports Center
O.J. Simpson signed Hall Of Fame Salute To Service mini helmet JSA Witnessed
OJ Simpson Autographed Helmets, Signed OJ Simpson Inscripted Helmets
Bills helmets recently signed by O.J. Simpson being sold for $400-plus
O. J. Simpson Signed Buffalo Bills 16x20 Running Photo w/ HOF- JSA W * – The Jersey Source
O.J. Simpson Signed Bills Salute to Service Speed Mini Helmet w/HOF- JSA W * Gold
O.J. Simpson Signed Bills Speed Mini Helmet Inscribed HOF 85 (JSA)
OJ Simpson Autographed San Francisco 49ers Lunar Speed Mini Helmet- JSA W * Gold
O.J. Simpson Signed Bills F/S Salute to Service Speed Auth Helmet w/2 – Super Sports Center
O.J. Simpson Signed Salute to Service Hall of Fame Logo Speed Mini Helmet ( JSA)
OJ Simpson Signed HOF 85 Inscription Buffalo Bills Flash Speed Full-Si — RSA
OJ Simpson Auto White Buffalo Bills Signed Mini Helmet JSA Cert
O.J. Simpson Signed Bills F/S Salute to Service Speed Auth Helmet w/2 ins.-JSA W
O.J. Simpson Signed Chrome Mini-Helmet *The Juice PSA