Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World, Part 1
Lot 45:
1932 (July 30-31), LUPOSTA Flight postcard, franked by complete Exhibition surcharged set of five, tied by Danzig special ds, green confirmation cachet, Rönne ”31.7.32” drop ds, VF, Sieger #170Aa, not priced for a complete set, Scott C.v. $300, Scott #C31-35
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