C18 (2) 1933 Century of Progress flight covers: New York Oct 2 FDC, Blk on cover to Friedrichshafen to Chicago to Seville, Spanish 11/1 receiver on back; New York Oct 4 Blk w/ pl# to Friedrichshafen to Wilmington, Delaware, addr to Mrs. DuPont at Nemours, also w/ Spanish 11/1 receiver on back, a few minor wrinkles or flap marks, F-VF (Sieger #241F) (Image)

Euro 700 LE

Large 5¢ Airmail entire w/ cplt set of Special Handling stamps added (QE1-4) for 1929 Zeppelin flight cover, Los Angeles to Lakehurst (Sieger #29A); tied by 8/26/29 Los Angeles Arcade Station duplex & ovals, VF (Image)

Est. US$400-500 LE