Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Italian Cyrenaica - Zeppelin Flight - 1933 (May 30-June 7), Italian and 2nd South America Connected Flights registered cover, from Tripoli to US via Rome and Rio de Janeiro, franked by complete Zeppelin set of six along with Colony 2.75L orange, tied by Tripoli ''29,5,33'' ds, bearing confirmation cachet of both flights, Friedrichshafen ''3.6.33'' connection and all appropriate transit and arrival markings, mostly VF and very rare, expertized by A. Diena, Sieger #212O, C.v. €4,000, Est. $1,500-$2,000, Scott #C12-17