Worldwide Air Post Stamps and Postal History - Bulgaria -...
Worldwide Air Post Stamps and Postal History - Bulgaria - Zeppelin Flight
1929 (October 16), Balkan and Silesia Flight cover from Sofia to Pforzheim, franked by 6L dark blue and pale lemon, tied by Sofia date stamp, the same day Zeppelin onboard marking, four-line cachet on reverse, mostly VF, Sieger #42-43 var, Est. $400-$500, Scott #202
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Worldwide Air Post Stamps and Postal History - Bulgaria - Zeppelin Flight
1929 (October 16), Balkan and Silesia Flight cover from Sofia to Pforzheim, franked by 6L dark blue and pale lemon, tied by Sofia date stamp, the same day Zeppelin onboard marking, four-line cachet on reverse, mostly VF, Sieger #42-43 var, Est. $400-$500, Scott #202
Sale price
Reserve
Time, Location
Auction House
