Here we have a hand autographed brand new Schutt Authentic Mini Helmet of former University of Southern Cal Trojans wide receiver, Damian Williams. A Sportsignatures Certificate of Authenticity with individually serial numbered matching tamper proof holograms are affixed to the mini helmet and the COA. Powered by eBay Blackthorne 04.09.026Your browser does not support JavaScript.To view this page, enable JavaScript if it is disabled or upgrade your browser.