This autographed Riddell New York Sack Exchange mini helmet has been personally hand-signed by Mark Gastineau, Marty Lyons, Joe Klecko & Abdul Salaam of the New York Jets.

This autograph is certified by James Spence Authentications (JSA) Witnessed Protection Program. That means that a JSA representative was present when this item was signed. It comes with the numbered hologram and matching Certificate of Authenticity.

**Please note, the signature shows imperfections. See photos.