Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 1
Lot 173:
BALANCE OF SWISS AIR POST ITEMS: 1913, Solothurn, 50c claret, a single stamp (LH) and stamp affixed over special postcard, in additional stationery postcard 5c green with Lausanne air post marking addressed to Bern, mostly VF, Est. $150-$200
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