1939 \"Zurich-Geneva Special postal service flight Genevan convention 1864-1939\" (Red Cross flight, 75 years Red Cross) registered airmail cover with Michel no. 349, 357 (2) and 358 from Zurich over Geneva to Budapest (Image 1) (Image)

50 C. Flight event in Liestal with airmail cancellation \"1. Airmail LIESTAL-RHEINFELDEN 27. IV. 13\" on accordingly coloured special card with 5 C. Postal stamp (corner fault) and text to Oberdorf with on face arrival postmark, few perf tips blotched, otherwise in good total maintenance (VIII) (Image 1) (Image)

1940 \"10 volo postale Swissair Locarno - Barcelona\" registered airmail cover with indicated franking from Locarno over Barcelona / Spain to Budapest / Hungaria (191z,363) (Image 1) (Image)

1940, \"10 volo postale Swissair Locarno - Roma\" registered airmail cover with indicated franking from Locarno over Rome / Italy to Budapest / Hungaria (arrival cancel), interesting destination (191z,363a) (Image 1) (Image)

1939, \"SWISSAIR Europe flight WEST Swiss national exhibition\", with se-tenant from coilstamps pretty franked Airmail-R-letter, 20 C. In the strip of five and 5 C. In the strip of three, with accordingly exhibition special cancel from 22. V. 39 and special registered label to Brüssel / Belgium (arrival cancel) (W 24,1) (Image 1) (Image)

Switzerland airmail, 1938, \"first mail flight Zurich Stockholm Swiss week in Stockholm\" air mail letter with Michel no. 213 z (2) and 311 Ix from Zurich over Stockholm to Zurich (Image 1) (Image)