Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World, Part 1
Lot 100:
Description
1931 (July 27-31), North Pole Return Flight cover from Ice-Breaker ”Malygin” to Germany, franked by Zeppelin imperf stamps of 35k and 2r, cancelled”18.VII.31” by special date stamp, German confirmation cachet and all appropriate markings, Friedrichshafen ”31.7.31” receiver is alongside, VF, Sieger #120Ab, Est.$150-$180, Scott #C27, C29
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