Warren Moon is one of only two people to be enshrined in both the Pro Football Hall of Fame and Canadian Football Hall of Fame. Moon held the record for most passing yardage in professional football until 2006. Warren Moon has hand autographed this Official NFL Tagliabue Football with #1 HOF 06 inscription. Bold silver full signatures. Athlon obtained this very rare from the Entire Collection of the Late Legendary Bob Hyde “Mr. Oiler”, Estate. NFL PSA Authentication #2N73533 and Certificate of Authenticity from Athlon Sports Collectibles. Athlon obtained this very rare from the Entire Collection of the Late Legendary Bob Hyde “Mr. Oiler”, Estate