1929, Col. Charles Lindbergh's Good Will Visit to Pittsburgh, 1927 Aug. 3, 1929, commemorative cover, addressed to Indian Cycle Agency, w/illust motorcycle in red (Image)

Est. 30

1933, Moffett Field, Cal. - First Blimp Mail - Goodyear 'Volunteer' greets the 'Macon', cachet at left of illust blimp, on 8¢ olive entire airmail cover, light crease at lower left (Image)

Est. 35

1933, Commemorating 5th visit of the Graf Zeppelin to the United States, on it's visit to the World's Fair, gold & silver cachet of A Century of Progress Flight emblem at left, on unused 5x3½ card imprinted Via Graf Zeppelin /Akson, O. to Friedrichshafen in red. (Image)

Est. 25

1933, Commemorating Flight of the Graf Zeppelin, A Century of Progress cachet of blimp over Chicago Skyline in green at left on airmail cover, addr to PA., Postal Car Exhibit cancel (Image)

Est. 35

1934, Moffet Field, CA. on airmail cover, cachet portrait of Lieut. Commander H. V. Wiley in blue at left - the only officer survivor of the U.S.S. Akron crash, cover addr. but not flown (Image)

Est. 35

U.S.S. Moffett, Memorial Day, May 30, 1937 on cover, w/cachet of Destroyer Leader U. S. Fleet, Commander A.H.Addoms in a small b/w photo, thermofax cachet in gold, unaddr, also similar cachet on 3x3 paper enclosed (Image)

Est. 30

1939, FAM 18, Trans-Atlantic Air Mail Service, New York to Marseilles, France May 20, signed by Capt A E Laporte, Pan American Airways pilot of the "Yankee Clipper", BS Marseilles 22 May (Image)

Est. 40

1939, FAM 18 first flight from New York May 20, to London, England, then on to France, blue cachet at left, signed by Pan American Airways pilot Capt A E Laporte, BS Marseilles, May 22 (Image)

Est. 40

1947, mixed franking cover cancellled Calcutta, India, 26 Jun, to Brooklyn, NY, signed by Clayton Knight, famous aviator, cover has two U.S. 5¢ airmail stamps, one cancelled Jun 17, Flushing, NY, the dates on this cover do not make sense?? (Image)

Est. 35