Postcard with view of Aguas Corrientes of Buenos Aires (ed. Rosauer), sent to Montevideo on 11/JA/1905, franked with 2c. Seated Liberty, and Uruguay postage due stamps (Image)

Cover with postal franchise sent from Buenos Aires to Temperley in OC/1909, with handstamp of Sociedad Madres Argentinas, VF quality (Image)

Cover franked with 5c. Centenary of 1810 Revolution, sent to Temperley on 16/JUL/1910, with datestamp of SAN LORENZO (Santa Fe), VF quality (Image)

Cover franked with 5c. Plowman, sent to Buenos Aires on 11/DE/1916, with datestamp of DIAMANTE (Entre Ríos), VF (Image)

Cover used in Temperley circa 1930, franked with 3c. San Martín w/o period, VF quality (Image)

5c. Stationery envelope sent to Junin de los Andes (Neuquén) on 3/JUN/1928, with datestamp of SAN MARTÍN DE LOS ANDES (Neuquén), VF quality (Image)

30 Municipal notifications and 2 covers used between 1931 and 1935, franked with stamps of the issue "San Martin w/o period", VF (Image)

Mourning cover franked with 3c. San Martín w/o period, sent from Buenos Aires to Temperley on 8/MAR/1933, VF quality (Image)

Registered cover franked with 30c. San Martín w/o period, sent to Buenos Aires on 4/FE/1933, with datestamp of RECREO (Catamarca), VF quality (Image)

40 Covers used between circa 1936 and 1956, franked with stamps of the Próceres & Riquezas I issue, VF general quality (Image)

Cover used in Buenos Aires on 20/DE/1937, franked with ½c. Belgrano, reduced rate for impresos diferidos urbanos, VF (Image)

Publication of April 1939 of "Guía de Correos y Telégrafos", used in Buenos Aires, franked with ½c., VF quality (Image)

Registered airmail cover sent from Buenos Aires to Canada on 14/AP/1939, franked with $8.45 (some stamps with defects), with arrival mark of Toronto, minor defect, excellent appearance! (Image)

2 Covers (one express) sent to Buenos Aires in 1940, with datestamps of LA POBLACIÓN (Córdoba) (Image)

Registered airmail cover sent from Buenos Aires to Watford (Great Britain) via New York, franked with $3.40, censored, VF (Image)

12 Covers franked with commemorative stamps, used in 1940s, VF general quality (Image)

Cover sent to Paraná in JUN/1941, franked with 5c. Moreno, and datestamp of STROBEL (Entre Ríos) (Image)

9 Covers franked with commemorative stamps, used in 1950s, VF general quality (Image)

3 Used covers with datestamps of DESVÍO EL CHINGOLO (Buenos Aires) (Image)

2 Covers and 1 front used between circa 1951 and 1965, franked with airmail stamps (Image)

Cover sent to Buenos Aires on 13/AP/1951, franked with 10c., and datestamp of PUENTE DEL INCA (Mendoza) (Image)

Cover used in Paraná (circa 1953), franked with 20 examples of 1c. Eva Perón, with some minor faults but interesting! (Image)

7 Covers used between 1953 and 1955, franked with stamps of the Eva Perón basic set, VF (Image)

Registered cover franked with 50c. Eva Perón + $1 Exchange (total postage $1.50), sent to Buenos Aires on 29/JUL/1954, wtih datestamp of BELLA VISTA (Corrientes), VF quality (Image)

Cover used in BERNASCONI (La Pampa) on 13/OC/1954, VF (Image)