Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World, Part 1

Worldwide Air Post Stamps and Postal History - Russia And Soviet Union - First and Pioneer Flights

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Start price: $100

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Description

1922 (September 4), Pioneer Flight cover from Moscow to Berlin with Koenigsberg connection, franked by nine 10r carmine, yellow and gray (met 90k postal rate plus air fee to Berlin), German ”Mit Luftpost” and boxed ”B1” arrival on front, F/VF, Est. $200-$250