A Buffalo Bills Speed Authentic Flash NFL Helmet hand signed Damar Hamlin. The item and signature are in excellent condition. Damar is a Football player for the Buffalo Bills. He was drafted in the 2022 NFL Draft. He played college football for the Pittsburgh Panthers. AUTHENTICATION: Your item is tagged with a SmarTag powered by Prova Technology, which gives you digital access to your items authentication records, which include a proof picture from the signing.