Auction #1924 WORLDWIDE + ARGENTINA: General June auction

30/OC/1872 Buenos Aires - Switzerland, by paquebot Senegal (French mail), with circular mark of the Swiss Consulate in Buenos Aires, octagonal mark of French mail office in Buenos Aires, Paris 29/NO and Aarau 30/NO (the latter 2 on back), and triangular "F/29" in blue perfectly applied, very rare. Excellent quality!