Lot 2757
Airmail, 1923, Second Issue, 8¢ to 24¢ complete, each on separate First Day of Issue cover, 8¢ & 16¢ tied by Washington D.C. slogan machine with 16¢ addressed to E. Worden, 24¢ tied by Washington D.C. duplex postmark with "Special Delivery" handstamp and locally addressed to Wm. Siebold, Very Fine.Scott No. C4-C6 $1,750.
Realized: $270
Lot 2758
Airmail, 1928, 10¢ Lindbergh, booklet pane of 3, nicely centered amid wide margins, tied by green "Cleveland Midwestern Philatelic Sta., May 26, 1928" First Day of Issue postmarks on Lindbergh Flight cacheted airmail cover to Texas, with violet Exposition cachet handstamp, Very Fine.Scott No. C10a $800.
Realized: $260
Lot 2759
Airmail, 1930, Graf Zeppelin complete, matched set first day covers, all with rich color, each on separate flown cover (65¢ on card) and tied by "Washington, D.C., Apr 19, 1930" First Day of Issue slogan machine postmark, purple U.S. and red German flight cachet handstamps and all with green Zeppelin receiver on reverse, covers with Aero Philatelic Society, Chicago imprint and card reverse with United States air mail route map, Extremely Fine, a choice First Day flown set.Scott No. C13-C15 $2,900.
Realized: $1,600
Lot 2760
Airmail, 1933, 50¢ "Chicago" Zeppelin, block of four, tied by "New York, N.Y., City Hall Annex, Oct 12, 1933" First Day of Issue duplex postmarks on cover with gray and green Zeppelin and Route Map cachet, Very Fine.Scott No. C18 Estimate $150 - 200.
Realized: $110
Lot 2761
Special Delivery, 1922, 10¢ gray violet, well centered amid large margins, tied by "Washington, D.C., Jul 12, 1922" First Day of Issue slogan machine postmark on fresh E. Worden cover, in combination with 1917, 2¢ carmine (499), Extremely Fine, choice so nice.Scott No. E12 $500.
Realized: $200
Lot 2762
Special Delivery, 1925, 15¢ deep orange, tied by "Washington D.C., Apr 11, 1925" First Day of Issue duplex postmarks on fresh Worden cover, in combination with 1925, ½¢ Hale, top margin block of four (551), Very Fine.Scott No. E13 $400.
Realized: $170