Najee Harris Autographed Pittsburgh Steelers Speed Mini Helmet FAN 37315 The number in the listing title is just an inventory sku for our records and is not the authentication number. The item pictured is a stock photo unless otherwise noted. This is a Pittsburgh Steelers speed mini helmet that was personally autographed by Najee Harris. Includes a Fanatics Authentic hologram and a certificate of authenticity from Denver Autographs.