History of Aviation, Rare Stamps and Postal History of the World, Part 1
Lot 18:
1912, Flight Week, aviation postcard franked by 5h yellow green, tied by Vienna ”1.VII.12” ds, violet double circle marking ”Flugwoche. Flugfeld. Wien. 23. 30. Juni 1912”, several pencil signatures on picture side, mostly VF, Est. $100-$150, Sc. #113
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