Cover franked with $24.01, sent to B.Aires on 30/JA/1973 with postmark of Alte.Brown Antarctic station, VF (Image)

Cover franked with $6.65, sent to B.Aires on 2/JA/1974, with postmark of Marambio Antarctic base, VF (Image)

3 Cards with datestamps of Islas Orcadas del Sur (6/MAR/1951), VF (Image)

Letter sent from B.Aires to Bordeaux on 14/JA/1861, with postage due "8" handstamp, consultar mark "CONFEDERACION ARGENTINE" in black, arrival backstamp, VF (Image)

NOV/1881: Entire letter sent from B.Aires to Belgium by steamer "La France", franked with 10c. Belgrano (GJ.39) and 2c. Vicente López(GJ.53), Paris transit mark and arrival backstamp, VF (Image)

5 Postal cards of 4c. used between 1884 and 1886 with marks of Oficina de Abonados (Image)

Circa 1889: ½c. Wrapper sent to Estación San Carlos Sud with cancel of "EST. AMBULANTE F.C. SANTA FE A LAS COLONIAS", VF (Image)

6c. Postal card sent from La Matanza to Germany on 14/JA/1898 by "Orellana", with black mark "BUENOS AIRES A BORDEAUX 1º - L.J. Nº2", VF (Image)

Postcard sent to Buenos Aires in 1901, with blue datestamp of BRAGADO (B.A.), franked with 2c. Seated Liberty, VF (Image)

Postcard with view of "Talleres de Marina, Buenos Aires", franked with 5c., sent from a German ship at sea, with German consular mark (23/DE/1901) and cancelled "DEUTSCHE SEEPOST LINIE HAMBURG SUDAMERIKA" (2/FE/1902), we also include 3 stamps with the same cancel, VF quality (Image)

Postcard sent from Buenos Aires to Montevideo on 12/JA/1905, franked with 5c., with Uruguay postage due stamp, VF (Image)

Cover franked with 5c. Seated Liberty and sent to Adrogué in SE/1907, with datestamp of AZUL in blue, VF quality (Image)

Cover sent from Ramos Mejía to Buenos Aires on 16/MAY/1911, and then forwarded to Temperley, franked with 5c. San Martin in oval, VF (Image)

5c. Stationery envelope sent to B.Aires in 1913, with cancel of Villa Constitución (Santa Fe), VF (Image)

5c. Stationery envelope sent to B.Aires on 1/MAR/1920, with cancel of Canal San Fernando, returned to sender, VF (Image)

Cover used in Buenos Aires on 17/SE/1921, franked with 5c., with advertising for "DAVID HOGG & Cia" tyres, illustrated on back, VF (Image)

5c. Stationery envelope sent from VILLA ALBA to Buenos Aires on 29/JUL/1922, VF quality (Image)

Registered airmail cover franked with $1.70, sent from B.Aires to Germany by Condor - Zeppelin on 24/JUN/1931, with Friedrischafen arrival on back, VF (Image)

Express cover without postage (postal franchise), used in B.Aires in 1939, VF (Image)

2 Covers sent to B.Aires (circa 1940) with cancels of CABO RASO (Chubut) in black and red, VF (Image)

2 Official covers sent to B.Aires in 1940, with cancel of RAFAELA (Santa Fe), VF quality (Image)

Cover franked with 5c. Moreno and sent to Buenos Aires on 30/AP/194?, with datestamp of "ESTACION F.C. PROVINCIAL - N. DE JULIO 8º", VF quality (Image)

Official cover sent to B.Aires on 16/OC/1940, franked with 6c., with datestamp of ELORTONDO (Santa Fe), on back slogan cancel of 5th Pan-American Congress of Tuberculosis 13/17 October 1940, VF (Image)

5 Covers used between 1941 and 1958 without postage stamps (free frank, sent collect, paid postage), VF (Image)

5c. Lettercard with advertising of "flu vaccine" and "nasal cream", used in B.Aires on 10/AU/1943, with slogan cancel "1ra CONFERENCIA NAC AGTES. Y VISIT. CAJA N. A. POSTAL 25 AL 31/X/943", VF (Image)