Image #1
WORLDWIDE AIR POST STAMPS AND POSTAL HISTORY
Switzerland
Pioneer Flights
Lot #
181 | 
| Scott # 182, C7 x2
| 1929 (December 15), Ad Astra Aero Flight to Khartoum, stationery postcard 20c red, uprated by three stamps, including the Mythen 3fr red, boxed confirmation cachet and arrival ds is alongside, mostly VF . |