A Carolina Panthers Speed Flex Authentic NFL Helmet hand signed by Christian McCaffrey. The item and signature are in excellent condition. Christian is a Running back and Return Specialist for the NFL. He played college football for Stanford. He was 8th overall pick in the 2017 Draft by the Carolina Panthers. AUTHENTICATION: The item is accompanied by a Certificate of Authenticity - Serial Numbered and Databased Hologram - Picture of Christian from the Signing.