A New York Giants Speed Flex Authentic Salute to Service 4 NFL Helmet hand signed by Abdul Carter. The item and signature are in excellent condition. Abdul Carter is a standout linebacker for the Penn State Nittany Lions. Known for his speed, physicality, and disruptive playmaking, he quickly emerged as one of the top defenders in the Big Ten. AUTHENTICATION: The item is accompanied by a Beckett Serial Numbered & Databased Hologram