Kansas City Chiefs Riddell mini helmet autographed in black Sharpie on the back right by Hall of Famer Emmitt Thomas and inscribed HOF 08. Obtained in person at the team hotel in San Diego. With certificate of authenticity from AutographsForSale.com. NOTE: there is a pinhead size chip in the paint on the crown of the helmet, right on the seam. ONLY ONE AVAILABLE FOR SALE.