Lot
1555 
Airmail, 1928, 10¢ Lindbergh, booklet pane of 3, well centered, tied by neat "Washington D.C., May 25, 1928" First day of Issue duplex postmarks on airmail cover to Los Angeles, Cal., Chicago transit and receiving backstamps, Extremely Fine. Scott Nos. C10a $875.
Realized: $325
Lot
1556
Airmail, 1928, 5¢ Beacon, in combination with 5¢ Huguenot-Walloon + 2¢ & 5¢ Hawaii + 2¢ Molly Pitcher pair + Offices in Shanghai 8¢ on 4¢ block of 4 (616+647-648+646+K4) on 1928 Zeppelin first flight post card (showing picture of Zeppelin), all tied by "Varick St. Sta., N.Y., Oct 27, 28" slogan machine postmark and N.Y. oval handstamps, violet American flight cachet and signature of pilot Rosendahl at upper left, Very Fine, a very unusual franking and a very scarce usage of a Offices in Shanghai 8¢ on 4¢ multiple; with 2005 Sismondo certificate. Scott Nos. C11 Estimate $400 - 600.
Realized: $425
Lot
1557
Airmail, 1928, 5¢ Beacon, tied by smudge type postmark on incoming airmail special delivery cover to Oklahoma City, in combination with Italy 1929, 5c-35c definitives + 1928, 50c Airmail + 1926, 2.50l Special Delivery (213//220+C3+E8) all tied by "Roma Centro, Posta Aerea, 5.9.29" cds's, reverse with transit and receiving date stamps, Very Fine, a scarce combination franking. Scott Nos. C11 Estimate $200 - 300.
Realized: $130
Lot
1558
Airmail, 1928, 5¢ Beacon, top margin plate number single, tied by "Saint Petersburg, Fla., Aug 7, 29" cds on incoming German Zeppelin flight cover, in combination with Germany 1928, 4m Zeppelin (C37) tied by "Friedrichshafen, Luftpost, 15 Mai 29" cds, blue German flight cachet, Very Fine. Scott Nos. C11 Estimate $200 - 300.
Realized: $130
Lot
1559
Airmail, 1928, 5¢ Beacon, on airmail cover to Denmark, in combination with 1919, 3¢ violet + 1927, 1¢ green + 2¢ carmine (537+632+649) all tied by "New York, Jun 7, 1929" duplex postmarks, with additional Denmark 1913-26, 1ö orange + 2ö carmine + 7ö green (85-86+91) with "Sunday Delivery" notation above, Very Fine, an interesting U.S.-Denmark mixed franking. Scott Nos. C11 Estimate $200 - 300.
Realized: $180
Lot
1560
Airmail, 1928, 5¢ Beacon, on Fort Crook, Neb., Boeing Air Transport, January 6, 1929 crash cover (CAM 18) S.F. to Chicago flight, plane hit a tree while landing with moderate fire damage, violet two-line crash notice cachet handstamp, Very Fine. AAMC Nos. IF 290106. Scott Nos. C11 Estimate $150 - 200.
Realized: $120
Lot
1561
Airmail, 1928, 5¢ Beacon, on Park City, Utah, Boeing Air Transport, March 11, 1929 crash cover (CAM 18) S.F. to Chicago flight, crash in snow storm, moderate crash damage, with 3-line violet crash cachet handstamp, F.-V.F. for this. AAMC Nos. IF 290311. Scott Nos. C11 Estimate $150 - 200.
Realized: $130
Lot
1562
Airmail, 1930, Graf Zeppelin complete, each on separate flight cover (65¢ on post card) tied by 1930 "Varick St. Sta., N.Y." slogan machine cancel, all with purple U.S. and red German flight cachets, $2.60 with green Round Flight backstamp, a Very Fine set. Scott Nos. C13-C15 Estimate $400 - 600.
Realized: $675
Lot
1563
Airmail, 1930, $1.30 Graf Zeppelin, tied by "New York, N.Y., May 31, 1930" duplex on gray cover to Hamburg, Germany, purple diamond cachet and red Germany circular h.s., additional "Mit Luftpost / befördert / Hamburg 1" three-line handstamp; Friedrichshafen (6.6) transit backstamp, F.-V.F. Scott Nos. C14 Estimate $150 - 200.
Realized: $130
Lot
1564
Airmail, 1930, $2.60 Graf Zeppelin, choice centering and margins, tied by "Varick St. Sta., N.Y., Apr 24, 1930" slogan machine cancel on flight 5¢ Airmail entire, purple U.S. and red German flight cachets and green Lakehurst Round Flight backstamp, Extremely Fine; with 2022 P.F. certificate. Scott Nos. C15 Estimate $300 - 400.
Realized: $325