1931 Colombian stationery entire envelope franked with set of 1fr and 2fr set of two, tied by red Vaduz-Lausanne Zeppelin flight cachet, flown from Lausanne 10.6.31 to Cali, with Ecuador and Colombian franking, canceled in Barranquilla, v.f. and rare three-country franking (Cat No. C7-8) (Image)

Est.$2,500