Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 1

Worldwide Air Post Stamps and Postal History - Czechoslovakia

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Start price: $100

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1939 (February 13-22), air mail cover from Prague to Brisbane, delivered by Qantas Flying Boat Service from London to Australia, franked altogether by 13 stamps (8 – on reverse), including five air post values of 2kr dark green, appropriate air mail label and Brisbane machine arrival marking, F/VF, Est. $150-$200, Sc. #C12