Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - United States - Zeppelin Flights - 1930 (May 18-June 6), South America Round Flight two covers, franked by Zeppelin stamps of 65c in horizontal pair or by a single of $1.30, each one cancelled with Lakehurst ''MAY.30.1930'' ds, German and American or American only confirmation cachet, first one with New York arrival of June 18, the other one with Seville drop of June 5, both are VF, Sieger #64, €1,300++, Scott #C13-14