Card with datestamp of Esperanza Antarctic base of 16/SE/1955, VF (Image)

Card with cancel of "DECEPCIÓN" Antarctic station (circa 1957), VF quality (Image)

Cover with cancel of "SAN MARTÍN" Antarctic station (12/FE/1988), VF quality (Image)

Cover with postmark of CÁMARA Antarctic base of 4/JA/1997, VF (Image)

Cover with postmark of ESPERANZA Antarctic base of 7/FE/1997, VF (Image)

Cover with datestamp of OBSERV. METEOR. ORCADAS Antarctic base 2/JUN/1978, VF (Image)

Hand-written letter in French (very long and interesting text!), sent from B.Aires to Montevideo in 1847, without postage, VF (Image)

4c. Postal card sent to Buenos Aires on 22/AP/1882, with datestamp of CONCORDIA, VF quality (Image)

4c. Postal card sent from CONCEPCIÓN DEL URUGUAY (Entre Ríos) to Buenos Aires on 26/AP/1885, VF quality (Image)

4c. Postal card sent to Buenos Aires on 7/JA/1886, with datestamp of NAVARRO (Buenos Aires), VF quality (Image)

4c. Postal card sent from MERCEDES (Buenos Aires) to Buenos Aires city on 2/JUL/1886, VF quality (Image)

Cover sent from B.Aires to Cádiz on 24/JUL/1887, by "Niger", franked with 12c., combining stamps of two different issues (2c. Vicente López 1877 with variety left frame incomplete, and 10c. Belgrano), arrival backstamp, VF (Image)

Circa 1896, 2c. wrapper uprated with 2c., sent to Hamburg with cancel of "BOLSA DE COMERCIO" (Buenos Aires), VF quality (Image)

Circa 1899, 1c. Liberty wrapper uprated with 1c. Rivadavia (total 2c.), used in B.Aires, with postage due mark for 2c., VF (Image)

2c. Postal card sent to England on 20/JUN/1901, uprated with 15c. (total 17c.), datestamped in VILLA CASILDA (Santa Fe), VF (Image)

21 Covers, cards and letters posted between circa 1905 and 1935, fine quality (Image)

Cover used in Buenos Aires on 20/JUN/1920, franked with 12c. Cententary of Belgrano (GJ.522), VF quality (Image)

Cover used in Buenos Aires on 26/JUN/1921, franked with 2x 5c. Centenary of Mitre (GJ.527), with slogan cancel "Affix the stamp at top right", VF quality (Image)

Cover sent from Nogoyá (Entre Ríos) to Santa Fe on 19/SE/1922, franked with 5c. First Panamerican Postal Congress with watermark printed on front, VF quality (Image)

Cover sent from Buenos Aires to Paraná on 8/MAR/1927, with slogan cancel: 'Argentina invests 81 millons pesos oro per year in public education', VF quality (Image)

Cover used in Buenos Aires on 8/JUL/1927, franked with both values of the Centenary of Mitre issue (GJ.526/7), total postage 7c., with slogan cancel ""CONSAGRACION DEL PATRICIO DE BARTOLOME MITRE", VF quality (Image)

GJ.599, 5c. San Martín w/o period, on front of cover returned to sender, posted on 6/MAR/1928 with slogan cancel: 'Parcel posts are not delivered on Sundays - Try that yours does not arrive on that day' (Image)

Postcard with view of Heinlein & Barolo buildings (Buenos Aires), franked with 5c. and sent to RUSSIA on 29/NO/1928, VF (Image)

Registered cover sent from B.Aires to Zurich on 11/DE/1928, franked with 24c., VF (Image)

RARE DESTINATION: Russia! Postcard with view of Congreso square, franked with 5c., sent from Buenos Aires to Moscow in SE/1930, with arrival cancel, VF quality (Image)