Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 1
Lot 263:
1931 (March 28-30), two postcards of Hungary Direct and Return Flights, franked by two or three values including a single or horizontal pair of Zeppelin overprint on 1p orange, all tied by Budapest ds, two different types of Flight cachet in blue (type I) or green (type II), Budapest ”931.MAR.29” or Friedrichshafen ”30.3.31” arrival markings, VF, Sieger #102Aa, 103b, €300, Est. $150-$200, Sc. #C24
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