Ed Sabol Signed Mini Helmet - NFL Films Founder & Hall of Famer (JSA Authenticated) Celebrate the visionary behind NFL Films with this autographed mini helmet signed by Hall of Famer Ed Sabol. A tribute to his groundbreaking contributions to football storytelling, this collectible is authenticated by JSA and includes their tamper-proof sticker and certificate of authenticity and makes a unique addition to any serious NFL memorabilia collection.