FFC / First Flight Card Austria - USA - Philatelic ...
Rotary Wing Aircraft - Helicopter
Rotary Wing Aircraft - Helicopter - Pioneer Flight - Auto ...
German Air Shipping Company - Hamburg America Line
Wright Aircraft Engines - Wright Aeronautical Corporation
Sweden - Netherlands
BOAC - British Overseas Airways Corporation - Budget Plan
Dan Air Airlines - Compass
Balloon race Coupe Andries Blitz - Nijmgen - Aachen
Airplane - Airline Lufthansa - Stamp exhibition
