Postcard illustrated with view of tunnel of Cacheuta, franked with 2c. Seated Liberty, sent to Buenos Aires on 31/DE/1904, with blue datestamp of CACHEUTA (Mendoza), VF (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)

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)

Registered 5c. stationery envelope uprated with 25c. Agriculture, sent to Buenos Aires on 31/MAY/1945, datestamped in INGENIO LEDESMA (Jujuy), VF quality (Image)

5c. Stationery envelope uprated with 30c. Wool, sent by airmail to Buenos Aires on 22/JUN/1946, with datestamp of CALETA OLIVIA (Santa Cruz), VF quality (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)

4 Covers sent to Concepción del Uruguay in 1960s by different bus companies, without postage, VF quality (Image)

2 Covers sent to Concepción del Uruguay in 1964 and 1965 by bus company "Expreso Gral. Urquiza" (from Buenos Aires and Gualeguaychú), franked, one with defects (Image)

Registered cover with printed advertisement, with AR, sent from MONTE MAIZ (Córdoba) to Villa María on 10/OC/1982, with INFLA postage of A24,000 (consisting of 24 examples of A1000), VF (Image)

Registered cover with AR sent from Bell Ville (Córdoba) to Villa María on 4/FE/1983, with INFLA postage of $40,000 (consisting of a block of 20 stamps of $1000 and 4x $5000), VF quality (Image)

Registered cover snt from Arroyo Algodón (Córdoba) to Villa María in FE/1984, with INFLA postage of $a26 (26 stamps of $a1), VF quality (Image)

Registered cover with printed advertisement, with AR, sent from VIAMONTE (Córdoba) to Villa María on 2/JUL/1985, with INFLA postage of $a1020 (consisting of 9 stamps: 4x $a5 and 5x $a200), VF (Image)

Registered cover with printed advertisement, with AR, sent from WENCESLAO ESCALANTE (Córdoba) to Buenos Aires on 1/JUL/1987, with INFLA postage of A4,32 (consisting of 12 stamps: 2x A0.01, A0.10, 5x A0.20 and 4x A0.80), VF quality (Image)

Registered cover with printed advertisement, with AR, sent from WENCESLAO ESCALANTE (Córdoba) to Villa María on 6/JUL/1989, with INFLA postage of A305 (consisting of 16 stamps: 15x A20 and 1x A5), VF (Image)

Cover with printed advertisement, sent from LA PLAYOSA (Córdoba) to Villa María on 5/SE/1989, with INFLA postage of A205 (consisting of 11 stamps: A5 and 10x A20), VF (Image)

Registered cover with printed advertisement, with AR, sent from WENCESLAO ESCALANTE (Córdoba) to Villa María on 2/OC/1989, with INFLA postage of A905 (consisting of 19 stamps: 18x A20 and A5), VF (Image)

Registered cover with printed advertisement, with AR, sent from ORDOÑEZ (Córdoba) to Villa María on 4/OC/1989, with INFLA postage of A955 (consisting of 20 stamps: 19x A50 and A5), VF (Image)

Registered cover with printed advertisement, with AR, sent from WENCESLAO ESCALANTE (Córdoba) to Villa María on 2/JUN/1990, with INFLA postage of A12950 (consisting of 32 stamps: 5x A10, 3x A300 and 24x A500), VF (Image)

Cover sent from Mar del Plata to Buenos Aires on 29/JUN/1999, with mixed postage of A500 and $0.70, VF quality (Image)

Cover sent from Gualeguaychú to Buenos Aires on 5/JUL/1999, franked with a stamp without value (from booklet GJ.2744) and NO POSTAGE DUES, VF quality, rare! (Image)