Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 1
Lot 10:
1933 (May 14), Graz – Maribor First Flight postcard, franked by Pilot 80g gray green, Austrian and Yugoslavian Flight markings, Graz ”14.V.33” ds is alongside, Rome arrival marking on front and reverse, VF, Est. $100-$120 , Sc. #C22
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