A USC Trojans Speed Replica NCAA Helmet hand signed by Clay Matthews. The item and signature are in excellent condition. Clay is a former outside linebacker who played for the Green Bay Packers. He is a Super Bowl Champion, 6x Pro Bowler & a Butkus Award winner. AUTHENTICATION: Your item is tagged with a SmarTag powered by Prova Technology, which gives you digital access to your items authentication records, which includes a proof picture from the signing. *** uses professional lighting for our product images that may show reflections. We also feature watermarks on our proof pictures. The picture you see in your authentication records will NOT have a watermark. *** If a product is unsigned or non game-used, a hologram will not be included Clay Matthews memorabilia. USC Trojans memorabilia