Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World, Part 1
Lot 32:
1949-52, eight items, including three different illustrated envelopes of Bregenz Flight of 1949, two different of Austrian Kinderdorf on Postflug Balloon Helvetia Dornbirn, both from 1950, printed to order stationery cover to Pestalozzi Foundation of 1952 and mixed franking (Germany) IFRABA Philatelic Exhibition Flight cover, all are fresh and mostly VF, Est. $150-$200
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