Auction # 2440 WORLDWIDE + ARGENTINA: Splendid October auction!

21/OC/1926 Bogotá to Argentina, official cover of the Ministry of Posts of Telegraphs, franked with only 4c. cancelled "POR HIDROAVIÓN" along oval datestamp of Bogotá 23/OC, both in lilac. On back, in blue, transit mark of Barranquilla 26/OC, and small rectangular arrival mark (numeral) of Buenos Aires, very fine quality and very interesting!