Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 1

Worldwide Zeppelin Flights - Bulgaria

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Start price: $150

Buyer's premium:

1934 ( May 26-29), 1st SAF cover to Brazil, franked by five air post stamps, tied by Sofia special ds, red Berlin C2 Luftpostamt transit, Friedrichshafen ”26.5.34” connection, Flight cachet in red and Pernambuco ”29.V.34” receiver, VF, Sieger #247, Est. $250-$300, Sc. #C9, C11