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 30/JUN/1886, with circular datestamp in green of AZUL (Buenos Aires), VF quality (Image)

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

35 Covers (stationery envelopes) posted from different places in Argentina between circa 1890/1910, VF quality (Image)

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

2 Stationery envelopes of 5c. sent to Paraná from LAS BATERIAS (Buenos Aires) on 6/JA and 22/MAY/1905, VF quality (Image)

1c. Wrapper uprated with 5c. Plowman (GJ.317), total postage 6c., sent from Buenos Aires to Zurich, VF quality (Image)

Cover used in Buenos Aires on 20/JUN/1920, franked with 3x 2c. Centenary of Belgrano, VF 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 front franked with 2c. Centenary of Mitre with "AROENTINA" variety (GJ.526C), 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 18/FE/1926, with slogan cancel: 'Franco Cubrio, airmail, 10120 km in 61 hours 44 minutes', VF quality (Image)

Cover sent from Buenos Aires to Paraná on 22/FE/1926, with slogan cancel: 'Milano international fair - Argentine week 25-31 May 1926', 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)

5 Covers used in Buenos Aires on 8/JUL/1927, franked with different values of the issue San Martin w/o period, all with slogan cancel about 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)

Cover used in Buenos Aires on 27/AU/1928, franked with block of 4 of 5c. Argentina-Brazil Peace (GJ.655), VF quality (Image)

Airmail cover sent from Buenos Aires to Germany on 18/AU/1933, franked with 1c + 10c. + 1P. x2 San Martin (total $2.25), VF (Image)

10c. Stationery envelope posted from COLONIA ZAPALLAR (Chaco) to Buenos Aires on 11/SE/1935, VF quality (Image)

90 Covers posted between circa 1938/1968 from different places in Argentina, franked with commemorative stamps. (Image)

5c. Stationery envelope sent to Buenos Aires on 7/FE/1939, cancelled 'AGENCIA P/ 5 - B. AIRES', VF quality (Image)

17 Covers and fronts of covers posted between 1941 and 1973, from different places of Argentina, franked with AIRMAIL stamps (Image)

39 Covers posted in circa 1940/60s with slogan cancels, different topics (history, aviation, communications, etc) (Image)