Island flight 1931, Icelandic post, destination Spain, registered letter with 30 A, 1 Kr and 2 Kr Zeppelin from Reykjavik on June 30th, small stamp type with thin grid lines, airmail stamp and Icelandic airmail stamp "Loftleidis med ... Graf Zeppelin" on the front, arrival in Friedrichshafen on July 3rd, transit via Stuttgart on July 4th and arrival in Barcelona on July 4th on the back, flawless. (old price 200)