1930 $1.30 brown, vertical pair, canceled Apr 25, 1930 on LZ 127 "Via Graf Zeppelin" cacheted cover, with special green "Zeppelin Mail" Roessler cachet, diamond "Europe-Pan-America Round Flight" in violet and red "South America" handstamps, Lakehurst arrival pmk on back, v.f. (Cat No. C14) (Image)

Est.US$450

1930 $2.60 blue, canceled Apr 25, 1930 on LZ 127 "Via Graf Zeppelin" cacheted cover, with special green "Zeppelin Mail" Roessler cachet, diamond "Europe-Pan-America Round Flight" in violet and red "South America" handstamps, Lakehurst arrival pmk on back, v.f. (Cat No. C15) (Image)

Est.US$450

1933 65c-$2.60 set of three, first two used on picture postcards from New York, last one on cover from Mount Vernon, N.Y., with appropriate "Europe Pan-America Round Flight" and red "Luftschiff Graf Zeppelin" cachets, fine-v.f., with Raybaudi certificates. Also included 50c Century of Progress, Miami Oct 23, 1933 cover (Cat No. C13-15,C18) (Image)

Est.US$500

1936 (11 May) New York to Dresden, Hindenburg Flight cover with appropriate cachet and Frankfurt arrival pmk, v.f. (Image)

Est.US$150