1931 (July) Zeppelin Austria Flight, Belgium-Austria MIXED FRANKING pc with 50c tied at Deurne (4.VII.1931 cds) and flown to Vienna where 1.75S total franking tied by “1 WIEN 1” (11.VII.31), matching cachet dated the next day, with Graz bs also dated the 12th (supposed “drop mail” which Sieger says doesn’t exist!), very fine (Sieger 117 A variety) (Image)

1936 (May) Zeppelin “Hindenburg” 1st North America Flight, cover endorsed for carriage via Köln & Frankfurt a/M, franked with pair of 5Fr air + 25c Lion all tied at Brussels (May 5), cachet with code c, superb NY bs (May 9), very fine (Sieger 406, € 125+) (Image)

1937 (Mar 12) Crash of Deutsche Lufthansa plane carrying Belgian mail to Jeshawang (Gambia), cover from Anvers (franking washed off) to Chiclayo with “Deutsche Luftpost” cachet on face and (on reverse), special label “RECIBIDA COMPLETAMENTE MOJADA…” dated “15/3/937” with special oval cachet ds nearby, fine and scarce (Nierinck 370312f) (Image)

1938-39, Three MIXED FRANKING Graf Zeppelin II (LZ130) pcs, each with German 50pf Zeppelin stamp tied at Rhein-Main, includes Dec. 1938 Sudetenland flight plus July 1939 Görlitz and Bielefeld flights, with Belgium franking tied at Brussels, all cachets as listed, one with minor soiling else fresh and very fine (Sieger 456, 458 & 459, total € 600) (3) (Image)

Guerre de 1870 : LE GENERAL FAIDHERBE Ballon monté avec 20c Laurée obl. Paris (SC) rouge 12.01.71 pour le Crotoy, Somme avec càd perlé d’arrivée Le Crotoy au dos, réexpédié avec un 10c Bordeaux (pli d’archive) obl. GC 4903 de Le Crotoy pour Ostende, Belgique, càd d’arrivée Ostende 23.01.71, TB, rarissime réexpédition d’un ballon avec timbres de l’émission de Bordeaux pour la Belgique (Image)