Entire letter dated 29/MAR/1806 sent from BUENOS AIRES to Montevideo on 29/MAR/1806, with postage due mark "1" (Real) inscribed in pen, excellent quality! (Image)

Entire letter dated BUENOS AIRES 15/FE/1842 to London, it was carried to MONTEVIDEO where it received the straightline pre-stamp mark "MONTEVº" in VIOLET, pen "2/7" rating, and England arrival backstamp of 23/MAY, VF and rare! (Image)

28/JA/1864 Buenos Aires - Southampton - Asendof (Germany): Cover with its original letter, dispatched at the British Consular Agency, sent collect. On front and reverse it bears a number of postal markings, excellent quality! (Image)

Complete folded letter sent to Mendoza on 20/FE/1869, franked by GJ.37 and cancelled by "ADMON DE CORREOS DE SAN LUIS" double circle, superb and rare! (Image)

Entire letter sent from GOYA to Buenos Aires on 3/NO/1877, with fantastic postmarks perfectly applied, excellent quality! (Image)

Cover fraked by GJ.49 sent from CORRIENTES to Buenos Aires on 24/FE/1878, where the addressee could not be found (it received several postal marks on front and back, also manuscript inscriptions!), VF quality, very interesting! (Image)

Provisional 5c. PS cover sent to La Plata on 1/NO/1890, with extremely rare small rectangular datestamp of LA GAMA (Santa Fe), VF quality! (Image)

2 Covers franked with NATIONAL TELEGRAPH stamps GJ.1 and GJ.3 used in Buenos Aires in 1891 and 1892, rare! (Image)

Cover with advertising on front and back for "cigars, cigarettes, tobacco, pipes, etc.", franked with 2c. of the "3 Proceres" issue, and sent from Buenos Aires to San Juan on 17/JUL/1897, VF quality! (Image)

Commercial cover of BEER factory, franked with 2c. of the "3 Proceres" issue, sent from Buenos Aires to San Juan on 7/OC/1898, VF quality! (Image)

Cover franked with 30c. of the "3 Próceres" issue with PERFORATION 12 (GJ.199) used ALONE, sent by registered mail from SUCURSAL LOREA (Buenos Aires) to San Juan on 7/JA/1900, excellent quality, rare! (Image)

Cover (without back flap) with advertising on front and back for journal "La Valija Postal", franked with 2c. Seated Liberty and sent from Buenos Aires to San Juan on 5/SE/1905, VF quality! (Image)

Fantastic leaflet printed in color advertising for products of a CANDY AND SWEETS factory, franked with 2c. Seated Liberty and sent from Buenos Aires to San Juan on 6/FE/1906, excellent and very rare! (Image)

Registered cover franked with 5c. + 24c. of the issue Centenary of Independence (GJ.403 + 416), sent from Buenos Aires to San Juan on 15/DE/1916. It includes the original content: winning LOTTERY TICKET for the Christmas lottery that was never cashed, excellent quality, extremely rare! (Image)

Cover with nice corner card of HOTEL SAVONA sent by registered mail with AR to La Falda on 28/AP/1926 franked with 37c. that includes the 25c. violet San Martín without period (scarce used on cover), very attractive! (Image)

2/AU/1929 BUENOS AIRES - CANDELARIA (Misiones): Cover flown via Aeroposta Argentina, with arrival backstamps of Posadas and Candelaria (7/AU), VF quality, rare! (Image)

Airmail cover sent from Buenos Aires to Germany on 23/NO/1934 franked with 50c. (GJ.606 ALONE), very nice! (Image)

Cover sent from Italy in DE/1957 with nice postage, on reverse it received a pair GJ.1039 to cover the POSTE RESTANTE service, VF! (Image)