The fastest helmet in this auction. "Bell" brand helmet once protected the head of the racing world's best known driver. Strong wear evident, with "Andretti" in silver stickers on back, clipped air hose below right ear and interior padding brown with sweat from the stress and heat of high-speed racing. Size 7 1/8 sticker inside. From Paul Hill collection, with "To Paul, Best Wishes, Mario Andretti" inscription in 10/10 black sharpie to round out the package.