A Detroit Lions Speed Flex Authentic Alternate 2024 Dark Blue 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: Your item has been tagged with a SmarTag powered by Prova Technology; which gives you digital access to your items authentication records; including a proof picture from the signing.