4c. Postal card sent to Buenos Aires on 1/AU/1885, with rectangular datestamp of MERCEDES, VF quality (Image)

4c. Postal card sent to Buenos Aires on 8/SE/1885, with datestamp of SANTIAGO DEL ESTERO, VF quality (Image)

4c. Postal card sent to Buenos Aires on 23/MAY/1886, with datestamps of SAN NICOLÁS and rectangular arrival mark, VF (Image)

5c. Stationery envelope sent to Santa Fe in DE/1911, with datestamp of PUERTO PARANA, VF quality (Image)

Registered cover used in Buenos Aires in 1929, franked with 5c and 20c. San Martin w/o period after the value (total postage 25c.), VF quality (Image)

Registered airmail cover sent from Buenos Aires to England on 6/MAR/1931, franked with 12c. Revolution of 6 September 1930 + 1.26P. airmail, VF quality (Image)

Cover franked with 10c. Eucharistic Congress, sent to Paraná on 3/DE/1934 with datestamp of VILLA SAN JOSÉ (Entre Ríos), VF quality (Image)

Registered 5c. Stationery envelope + 5c. Moreno + 20c. Moreno, sent to Buenos Aires on 19/JUL/945, cancelled "CORDOBA - 6", VF quality (Image)

5c. Stationery envelope sent to Buenos Aires on 17/JUN/1946, with datestamp of ARENAZA (B.A.), violet backstamp of "ESTACIÓN F.C.O. ARENAZA", VF quality (Image)

2 Express covers with INFLA postages sent from Buenos Aires and Mar del Plata to Coronel Pringles in circa 1980, VF quality (Image)