U.S. Airship Training Flights: U.S.S. Akron Sept 23, 1931; U.S.S. Akron Oct 21, 19311; San Pedro, welcomes U.S.S. Akron, June 11, 1932; U.S.S. MACON flight to Panama, Apr 20, 1934; USS MACON over Los Alamos, Sep 13, 1934; USS Pennsylvania, Dec 17, 1934 (Image)

Est. US$75.00

USS MACON, In Memorium, 5 cacheted covers: Lakehurst May 30 1933; Washington DC May 30 1933; Akron Ohio Mar11, 1935; USS Kanawha, May 30 1935: Lakehurst, Sept 3, 1935 (Image)

Est. US$50.00

U.S.S. MACON, Leaving Lakehurst, real photo cachet, Jul 18 1933, addr, VF (Image)

Est. US$40.00

1934, Airmail cover from Toledo, Ohio, Nov 16, to Berlin, Germany, typed instructions re 'Special delivery', but postal note indicates 'Not in special delivery mail',... or is there any indication as to when the letter was received, file folds thru 1¢ stamp & across bottom & lower right corner (Image)

Est. US$20.00

USS MACON Maneuvers with Fleet, silver & brown red cachet o #10 envelope, Apr 10, 1934, signed by San Pedro P.M. (Image)

Est. US$40.00

USS MACON, over Los Angeles, green & black cachets on business size cover, pmk U.S.S. BOBOLINC Nov 9 1934, VF

Est. US$40.00

Little America, Jan 30 1935, Byrd Antarctic Expeditiion , Second Cancellation Mail, penquin cachet, San Francisco cancel inverted on reverse (Image)

Est. US$30.00

Two Clipper Covers, 1937, San Francisco, CA. to Macau, purple flight cachets, one backstamped Canton and Macau, the other Macau, both franked with C21-C22, minor corner crease lower left & light toning on one, o/w both sound (Image)

Est. US$35.00

1939, Censored airmail cover from Encinitas, Calif Aug 25 franked with 6¢ C23 & 2¢ John Adams, addr to Leipzig, (Image)

Est. US$25.00

1940, Censored airmail cover, #10 size, New York, Sep 3, to Essex, England, franked with C9, C24 & 806 pair, on UC4 entire, verticle file fold to left of stamps (Image)

Est. US$25.00

1941, Airmail cover to Germany, C24 tied by Brooklyn Sep 23 slogan cancel (Image)

Est. US$25.00

1941, Censored airmail cover from New York, Dec21, to Malno, Sweden, #10 size franked with C9 & C27, vertcal file fold at left of stamps (Image)

Est. US$20.00

1942, Honolulu Feb 24, censored airmail franked with 20¢ green C9, to New York (Image)

Est. US$20.00

1942, Honolulu, Mar 2 airmail franked with 20¢ green transport, to New York, note that the return addr was writted on top of the censor tape (Image)

Est. US$25.00

1942, Seward, Alaska Dec17 6¢ orange entire, addr to New York, with return addr written on top of censor tape (Image)

Est. US$25.00

Lot of 6 covers to same addressee: two Nov 2 & Nov 23, 1942, franked with C28-29, to Columbia, So America, Censored, each with red DEVOLOCION on front & Barranquilla BS & large boxed Motivo De No Entrega with pointing hand indicating return to sender, balance franked with C29, three to Hotel Adelphia, Liverpool, England, Feb to April 1944, not censored, each returned to sender as not claimes & finally Feb 23 1944 addr to London, England, censored, but not returned (Image)

Est. US$40.00

1944, Airmail cover franked with 30¢ C29 tied by Rockville Centre Feb 18 duplex, addr to Liverpool, forward to London (Image)

Est. US$25.00

1948, Airmail to Italy, 5¢ entire with C27 tied by Walla Walla, Wash May 23 machine cancel (Image)

Est. US$25.00

1957, First Air Mail Flight, New York to Barbados, FAM 5 by Pan American Airways, May 12, violet cachet, VF (Image)

Est. US$25.00

1960, Interpex rocket flight flown March 25, 1960 Storey County Nevada to Lyon County Nevada, then flown by American Airlines to New York. two red boxed cachets & blue & red label, (Image)

Est. US$30.00

OPERATION SAIL, The Visit of the Tall Ships, New York, 1976, incl a real photo cacahet, VF (Image)

Est. US$20.00

50th Anniverary of Graf Zeppelin at Lakehurst, NJ, unaddr (Image)

Est. US$25.00

Five space covers: STS5 Nov 11, 1982; Challenger Apr 4 1983, STS 7 June 18 1983; Navstar-VIII Juy 14 1983, STS8 Aug 3, 1983, each with information insert, unaddr, VF (Image)

Est. US$40.00