RARE POSTMARKS of Patagonia: Official cover sent to Buenos Aires franked with 25c. Plowman, with violet oval cancel of "Juzgado de Paz de GUALJAINA" along datestamp of LELEQUE, both small towns in Chubut, very rare! (Image)

EXTREMELY RARE CANCEL: Circa 1942, cover used in Buenos Aires franked with 5c., with violet datestamp of EPUPEL (La Pampa), very rare and possibly unique! (Image)

4c. Postal card sent from Villa Mercedes (San Luis) to Rosario on 16/SE/1881, with the marks "EST. AMBULANTE DEL F.C. ANDINO - SAN LUIS Nº2" (17/SE), transit of "RIO CUARTO (Córdoba)" the same day and small receiving datestamp of Rosario 18/SE, very fine quality! (Image)

4c. Postal card sent from San Antonio de Areco to Buenos Aires on 6/MAR/1882, with dispatching datestamp + rectangular "ESTa AMBte F.C.O. - (B.A.) Nº8" very well applied, also octagonal mark of destination, all for the same day, VF! (Image)

4c. Postal card sent from Monte Caseros (Corrientes) to Concordia on 16/OC/1882, with rectangular datestamp "EST. AMB. DEL F. C. DEL ESTE Nº1" (17/OC) and arrival mark for the same day, VF quality! (Image)

22/NO/1884 SAN LUIS - Germany, 4c. postal card + 2c. additional postage (GJ.53), it bears transit marks of Buenos Aires 26/NO and Weimar arrival 22/DE, very fine quality! (Image)

4c. Postal card sent from SAN PEDRO (Santiago del Estero) to Córdoba on 13/SE/1885, with rectangular datestamp "ESTn. SAN PEDRO - F. C. C. N. (Santiago del Estero)", and backstamp for the following day, VF quality! (Image)

30/DE/1885 Río Cuarto - Buenos Aires, 4c. postal card with rectangular datestamp "E. AMB. - F.C.ANDINO - 5" perfectly applied, arrival backstamps, VF! (Image)

4c. Postal card sent from Rosario to Buenos Aires on 6/MAR/1886, with the rare traveling PO mark at bottom left: "ESTa. AMB. Nº2 - (F. C. ROSARIO)" small rectangular datestamp, arrival backstamp for the following day, VF quality! (Image)

8c. Stationery envelope sent to Rosario, it was dispatched in the province of Córdoba, with rare circular datestamp "12 / ESTAFETA ~ AMBULANTE / 12 - F.C.C.N.", Córdoba transit mark of 8/DE/1887 and Rosario arrival mark for the following day, very fine quality! (Image)

COMBINATION OF 3 ISSUES: 2c. Little Envelope postal card + GJ.83 (3c. Kidd) + GJ.99A (1c. Sudamericana), total 6c., sent from Buenos Aires to Belgium on 20/MAY/1889, excellent quality, rare! (Image)

RARE DESTINATION: Registered cover with AR sent from Buenos Aires to SAN MARINO on 20/FE/1893 franked with 36c., on back it bears a registration label and arrival mark of Rimini 24/MAR, excellent quality! (Image)

RARE DESTINATION and long journey: 3c. Rivadavia postal card + additional postage (total 6c.) sent from Rosario to GUATEMALA on 3/AU/1896, with transit marks of Rio de Janeiro 10/AU and St. Thomas (27/AU), arrival in Guatemala on 27/SE. The addressee had moved to Germany and on 2/OC the cover was forwarded to Hamburg, arriving on 24/OC, very fine quality! (Image)

Cover sent from ESPERANZA (Santa Fe) to Switzerland on 9/MAR/1899 franked with 12c. (GJ.191 x12, 1c. large sun watermark, perf 12, possibly the largest multiple of this stamp!), on back transit mark of Buenos Aires and arrival, VF! (Image)

8/NOV/1902 Rosario - San Gerónimo, 4c. lettercard with impression inside of "Compañia Nacional de Tejidos y Sombreros", with Rosario datestamp and on back notable cancel of "ESTAF. AMB. F.C.P. DE S. FE Nº1 (ROSARIO)" perfectly applied, very attractive! (Image)

23/MAR/1903 Pirovano - Colón, very rare postmark with view of El Tordillo lake (dock and boats) franked with 5c. Liberty. With railway PO datestamp "ESTAFETA AMBULANTE - 29 - F.C. DEL SUD" and on back transit mark of Buenos Aires and Colón arrival, VF quality! (Image)

RARE POSTMARK: 5c. Stationery envelope + additional postage (total 15c.) with the very rare "CUADRO NACIONAL (Mendoza)" cancel perfectly applied, sent to France on 26/JA/1905, on back transit and arrival marks, VF quality! (Image)

VERY RARE DESTINATION: 6c. Liberty postal card sent from Buenos Aires to SENEGAL on 31/MAR/1905. The addressee had moved out, and after some attempts in different places, it was eventually forwarded to Lorient Morbihan, very fine quality! (Image)

Rare postal card with view of "Araucanian women (Mulchen)" franked with 2c. (2 pairs of ½c. Seated Liberty) and sent from Buenos Aires to Belgium on 24/SE/1906. The postage was insufficient, and for that reason it bears a due mark and a Belgian postage due stamp of 5c. affixed on arrival in Uede, very nice! (Image)

5c. San Martín in medallion postal card + additional postage on back 1c. San Martín in oval, sent from Rosario to Belgium, with the postage cancelled on destination with attractive mute cancels and datestamp of 22/JA/1910, very fine quality! (Image)

13/MAR/1912 Buenos Aires - Temperley, EXPRESS cover, franked with 30c. San Martín in oval, arrival backstamp of the following day, very fine quality! (Image)

Registered cover used in Buenos Aires on 16/AP/1931 franked with 52c. (1930 Revolution 2c. pair + 12c. in strip of 4), with several marks on back, very nice and unusual! (Image)

26/JA/1937 PUERTO SANTA CRUZ - Buenos Aires, registered airmail cover franked with 2.50P., arrival backstamp of 29/JA, very fine quality! (Image)

17/AP/1937 RÍO GRANDE (Tierra del Fuego) - Buenos Aires, airmail cover franked with 1P. Map with borders, on back it bears datestamp of "OF. POSTAL AMBULANTE - Nº48" for 22/AP, very fine quality! (Image)

Cover with corner card of "Gran Hotel Argentino" sent from Buenos Aires to Uruguay on 24/JUL/1945 franked with 5c., and returned to sender with a number of postal marks and hand-written inscriptions on front and back, VF quality! (Image)