Folded cover sent from Salto at "8 in the morning" on 16/JUN/1842 to the "Judge of first instance, Marcelino Berrotarán, in Peñas", sent by "the Commander in Chief of Calamuchita?", with inscription on front at top: "Very urgent, Viva la Federación", and on back: "Viva la Federación, via the judges of first instance to the hands of the addressee, under their own responsibility for any delay". Very attractive! (Image)

Circa 1841, folded cover sent by relay mail to the deputy "Governor Claudio de Arredondo", sent by "General Commander of the West", with inscription on front at top ""Viva la Federación - Mueran los Salvajes Unitarios", and on back about the urgent nature of the letter because it contained favorable news from Gral. Commander Pedro Caceres, VF quality! (Image)

Folded cover sent by "por conducto de las Postas hasta llegar a manos de su titular" ("via relay mail to the hands of the addressee), sent on 4/JA/1855 to the Governor of the province of Córdoba, Roque Pereyra, sent by "Lieutenant colonel Commander... of the Chaco Frontier", very fine quality, rare! (Image)

12/AU/1863 Buenos Aires - BELGIUM: Folded cover sent via French mail, with "10" mark (postage due handstamp, 1Fr., single rate) and octagonal "CONF. ARGENTINE - SAINTONGE" of the ship that carried it to Rio de Janeiro, and from there taken to Bordeaux where it received the red "BRESIL - BORDEAUX - 19/SEP/63" mark, on back French-Belgian exchange marking and arrival. It was sent collect, VF quality, unusual destination for letters from Buenos Aires via French mail! (Image)

5c. Liberty Head stationery envelope sent from "Sucursal Belgrano-Bs.Aires" to Vicente Casares on 23/SE/1899. On back it shows a circular transit mark of CONSTITUCIÓN, and arrival "ESTn. VICENTE CASARES" in small rectangle (rare)! (Image)

Airmail cover franked with 47c., sent from Buenos Aires to Santos on 13/MAY/1932, to reach a passenger on the ship "Antonio Delfino", excellent quality! (Image)

29/JUN/1934 Buenos Aires - Germany, postcard with view of "Corrientes street and panorama", franked with 1.15P. and sent by ZEPPELIN with varied marks and Friedrichshafen arrival cancel, very nice! (Image)

5/JUN/1938 Buenos Aires - La Plata, registered cover with very attractive postage of 30c. including 2 examples of 2½c. Braille (GJ.739), VF quality (Image)

Card sent from Buenos Aires to Rosario on 3/OC/1941 with meter postage of 3c. with advertising: "ESSOLUBE - ESSO - EL AS DE LOS ACEITES", VF quality! (Image)

2 Covers used in 1943 and 1945 with meter postages of 5c. with advertising for "SEGUROS LA SUD AMÉRICA", VF quality! (Image)

24/NO/1926 Buenos Aires - Montevideo, cover flown on the "Junkers mission to South America", franked with 80c. (30c. + 50c. San Martín with period), arrival backstamp. Covers carried on flights following the first one are very rare, excellent quality! (Image)

27/SE/1929 Buenos Aires - Germany, airmail cover sent via Air France with large postage of 4.50P. (including the high value of the first airmail issue, GJ.654), with transit backstamp of Paris 8/OC, VF! (Image)

1/NO/1929 First flight of Aeroposta Argentina S.A. between Bahía Blanca and Comodoro Rivadavia, arrival backstamp, lightly trimmed at top and below, excellent appearance, rare, only 168 pieces were flown! (Image)

13/FE/1930 Buenos Aires - Comodoros Rivadavia, airmail cover sent by Aeropostale franked with 20c., arrival backstamp, very fine quality! (Image)

2/MAY/1930 Buenos Aires - Italy, airmail cover sent via Air France franked with 1.20P., on back transit mark of Marseille and Napoli arrival 13/MAY, VF quality! (Image)

23/MAY/1930 Buenos Aires - New York, cover flown on the first Zeppelin flight, arrival backstamp of Lakehurst, franked with stamps of the issue with green ovpt., very fine quality! (Image)

3/JUN/1930 Posadas - Buenos Aires, airmail cover franked with 20c., flown by Aeroposta Argentina S.A., with arrival backstamp, VF quality! (Image)

17/JUL/1930 Posadas - Germany, 12c. stationery envelope for airmail + additional postage (total 3.30P.) sent registered to Berlin, arrival backstamp of 30/JUL, very fine quality! (Image)

RARE DESTINATION: Airmail cover sent by Aeropostale from B.Aires to EGYPT on 11/SE/1931, franked with 1.35P., on back arrival mark of Alexandria 28/SE, very unusual! (Image)

23/SE/1931 Buenos Aires - Italy, registered airmail cover sent via C.G.A. franked with 1.04P. (correct postage for a letter of 4 grams, 12c. of ground rate + 20c. registration + 18c. x4 of airmail surcharge), on back transit and arrival marks, tiny tear below, of little importance, excellent appearance! (Image)

6/NO/1931 Buenos Aires - Germany, registered airmail cover sent via Air France franked with 2.41P., on back arrival mark of Berlin 17/NO, VF quality and very interesting! (Image)

18/FE/1933 Buenos Aires - Switzerland, airmail cover sent via Air France franked with 2.15P. (15c. for ground rate + 1P. of airmail surcharge for a letter of up to 10 grams), arrival mark of Geneve 28/FE, VF quality! (Image)

17/AP/1934 Buenos Aires - Brazil, registered airmail cover franked with 72c., first flight by Condor between B.Aires and rio, on back arrival 20/AP and another interesting violet mark of the Postmaster of Minas Gerais, VF quality! (Image)

26/MAY/1934 Airmail cover sent from Buenos Aires to Germany franked with 1.15P., via Air France. Very attractive and of very fine quality! (Image)

15/AP/1935 Cte. LUIS PIEDRABUENA - Buenos Aires, airmail cover franked with 40c., arrival backstamp, interesting! (Image)