This is a Houston Oilers Official Authentic Riddell NFL TB Onfield Full Size Helmet . (1960-1963 Derrick logo). 8 Legends Signatures Include: George Blanda, Bruce Matthews, Eddie George, Elvin Bethea, Mike Munchak, Eddie George, Ken Houston, Charlie Harrington, Earl Campbell. Bold black full signatures. Athlon obtained this very rare from the Entire Collection of the Late Legendary Bob Hyde “Mr. Oiler”, Estate . PSA Authentication #2N73548 and Certificate of Authenticity from Athlon Sports Collectibles. Earl Campbell was added 12/16/23 with HOF- JSA Witnessed #WB118904 and JSA Certificate of Authenticity.