A Detroit Lions Speed Flex Authentic Salute to Service 2 NFL Helmet hand signed by Barry Sanders and Calvin Johnson. The item and signature are in excellent condition. Barry is a former professional football player who was a running back for the Detroit Lions. Calvin is a former NFL Wide Receiver. He was picked Round 1 with the 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, 2x NFL Receiving Yards Leader. AUTHENTICATION: The item is accompanied by a Schwartz Certificate of Authenticity - Schwartz Serial Numbered & Databased Hologram