Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World, Part 1

Worldwide Air Post Stamps and Postal History - Switzerland - Pioneer Flights

The auction will start in __ days and __ hours

Start price: $75

Buyer's premium:

1930 (December 2), registered cover delivered by Ad Astra Aero Africa Flight on leg Zurich – Cartagena – Alicante, franked by three stamps, blue confirmation cachet, undelivered and returned to Fribourg on December 11, appropriate markings on front and reverse, F/VF, Scott #C9, C12