Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World, Part 1
Lot 9:
Description
1930 (May 31-June 6), Return South America Flight mixed franking postcard from Cristobal and Havana to Germany, franked by three air post values, tied by ”MAY 15. 1930” ds, Havana machine hs on reverse, upon arrival to NYC uprated by Zeppelin 65c green and cancelled on May 27; German and American (type II) flight markings, Friedrichshafen ”6.6.30” receiver, VF and very rare, PF certificate, Sieger #64 III var, C.v. €1,600++, Est. $1,500-$1,800, Scott #C1, C3, C4
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