A Detroit Lions Speed Authentic Camo NFL Helmet hand signed by Calvin Johnson. The item and signature are in excellent condition. Calvin is a former NFL Wide Receiver. He was selected as 2nd overall pick in the 2007 NFL Draft by the Detroit Lions. In college, he played for Georgia Tech Yellow Jackets. He is a 6x Pro Bowler, 3x First-team All-Pro, and 2x NFL Receiving Yards Leader. AUTHENTICATION: The item has been tagged with a SmarTag powered by Prova Technology, which gives you digital access to the items authentication records, including a proof picture from the signing.