Pro Football Hall of Fame Multi-Signed Full Size Helmet; absolutely outstanding Riddell full size Pro Football Hall of Fame helmet signed over 20 members of the Hall of Fame; signatures include Lou "The Toe" Groza, Joe Perry, YA Tittle, Deacon Jones, Otto Graham, Ernie Stautner, Paul Warfield, Mel Blount, "Bullet" Bill Dudley, John Henry Johnson, Bobby Bell, Bill Willis, Dante "Gluefingers" Lavelli, Mel Renfro and others; most signed in blue fiber tip marker; bright, clean helmet that makes for an outstanidng display piece! SGC Full Letter of Authenticity.