First Non-Stop Flight Between Japan and USA official signed cover RAF FF34. Signed by Carl M Cleveland. Flown by Concorde. Cover commemorates 50th anniversary from the 3rd - 5th October 1931. Japan stamp and 1981 postmark. Flown over the route taken by Clyde Pangborn and Hugh Herndon in their around the world flight in a Ballanca Aircraft which included the first non-stop flight from Japan to Weatchee in the State of Washington, 3rd to 5th October 1931. Good condition Est.