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

Worldwide Air Post Stamps and Postal History - Germany

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Start price: $300

Buyer's premium:

PIONEER FLIGHTS – NICE UNIT: 1909-31, 24 postcards or covers, starting with two Exhibition cards of Frankfurt (1909) and Berlin (1912), reply card Koenigsberg-Berlin-Koenigsberg of 1922, a group of flown items from Berlin, Hamburg, Konstanz to various cities of Sweden, including Flying Boat Service and many others, minor conveyance flaws possible, generally clean and F/VF, Est. $500-$600