C1, 6¢ orange, tied by Washington DC Apr 6 cds, to Readfield, Maine, on post card with view from top of Washington Monument looking west, note that message refers to 'flying machine' (Image)

Est. 50

C4 & 627 tied by Philadelphia Jul 6 1925 cds & slogan cancel, on cover to New London, Wsc, violet Philadelphia-Washington Sesqui-Centennial flight cachet, BS Washington on same date (Image)

Est. 20

1928, Lindberg Again Flies the Mail, horseshoe cachet, St Louis, MO Feb 20 slogan cancel ties C10 on cover to So Sudbury, Mass, BS New York Feb 21 (Image)

Est. 30

1928, Aug 1, First Flight from Odgen Utah on first day of 5¢ airmail rate, multicolored label and three different h/s flight cachets, one being on the back of the cover addr to Waterville, Maine, BS Albany NY Aug 3, VF business size cover (Image)

Est. 30

1928, Graf Zeppelin flight, New York Oct 27 cancels tie 567, 570, C10 booklet pane & C11 on business size cover to Leipzig, violet flight cachet, ms 'Via Lakehurst-', BS Freidrichshaven 1.XI.28 (Image)

Est. 40

1929/1966, Lot of 20 first flights, dedication, commemoration, etc, incl 1930 Experimental Glider flight (Image)

Est. 35

C5 & C6 tied by San Juan P.R. Sep 22 1929 slogan cancel on cover to Freeport , Maine, Violet San Juan - Paramaribo cachet with ship & seaplane, BS Paramaribo 23.9.29 (Image)

Est. 60

C13, 65¢ green on 1 postal card with added 4¢ stamps, tied by New York Jun 2 1930 cancel, Graf Zeppelin Pan American flight, from Lakhurst to Friedrichshafen, red & violet flight cachets, message in German (Image)

Est. 150

1932, USS Akron Tactical Training Flight, Lakehurst Ayg 2 cancels front & back, different cachet on reverse (Image)

Est. 30

C18, 50¢ green, tied by Miami Oct 23 1933 cancel, on cover to New Jersey, violet Graf Zeppelin Century of Progress, Miami to Chicago, flight cachet, BS Chicago Oct 25, 1933, different blue 'First Visit to Miami' flight cachet on back (Image)

Est. 35

C18, 50¢ green, tied by Miami Oct 23, 1933 cancel, on cover to Ohio, violet Graf Zeppelin Century of Progress flight cachet and green printed cachet showing map of Graf Zeppelin route from Germany to South America to North America and back to Freidrichshafen, VF (Image)

Est. 50

1935, Guam - Manila first flight, cancel in green, pmk Guam Nov 29, BS Manila same day, content enclosed in sealed envelope (Image)

Est. 30

1935, Thor Solberg flight from New York to Norway, Bergen16.VIII,35 slogan cancel, printed blue & red plane cachet with inset of the pilot, cover signed by the pilot, cover addr to Auburn, Maine, enclosed advertising & article describing the flight indicate that the covers were signed and cancelled after the completion of the flight (Image)

Est. 40

1971-1973, Lot of 55 small covers related to space flights of Apollo 10,14,16,17, Skylab, many Recovery Forces, Tracking Station, several X-24B, test & glide flights, one Space Mail signed by J Connell, Apollo 17, other related events, some duplicates,

Est. 75