A Buffalo Bills Speed Flex Authentic Salute to Service NFL Helmet Hand Signed by Josh Allen. The signature and item are in excellent condition. Josh was drafted by the Bills in the first round of the 2018 NFL Draft and is a 2x Pro Bowler. AUTHENTICATION: Your item is tagged with a SmarTag powered by Prova Technology, which gives you digital access to your items authentication records, which includes a proof picture from the signing.