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WORLDWIDE AIR POST STAMPS AND POSTAL HISTORY
Switzerland
Lot # 189 | | Scott # C9, C12
1930 (December 2), registered cover delivered by Ad Astra Aero Africa Pioneer 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, Est. $100-$150 . |