Cover with postmark of CÁMARA Antarctic base of 4/JA/1997, VF (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 9/MAY/1886, written in AZUL (Buenos Aires), with interesting rectangular cancel of travelling PO "E. AMB. 8 - F.C. SUD" and arrival marks, VF quality (Image)

Cover franked with 2c. Vicente López (GJ.53) and pair of 5c. Rivadavia (GJ.105) (total postage 12c.), sent from Buenos Aires to BAGNI DI MONTECATINI (Italy) on 14/JUL/1889, with a number of transit and arrival marks on back, 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)

Stationery envelope sent from Las Flores to Adrogué on 5/NO/1904, with interesting backstamp "ESTAF. AMBULANTE Nº68", VF quality (Image)

Cover sent to Santa Fe, it was deposited in the mailbox without postage, with hand-written note by the postman "Sin Franqueo" signed "Ferreyra", with marks "CARGO" 13/AP/1916 and "A COBRAR $0,10" of Rosario, VF (Image)

Cover used in Buenos Aires on 18/JUN/1918, franked with 5c. Dr. Juan Pujol (GJ.456), with slogan cancel "Mailmen sell postage stamps", VF quality (Image)

Postcard with view of Independencia square in Montevideo, sent from "ESTACION MERCEDES" (San Luis) to USA in MAR/1927, 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)

Registered cover sent from "NOETINGER" (Córdoba) to Buenos Aires on 24/AP/1944. ATTENTION: the 5c. Postal Saving stamp with rare PERFIN, and the rest combine 2 different papers! (Image)

Express cover sent from "GOBERNADOR CRESPO" (Santa Fe) to Buenos Aires on 4/FE/1952, VF quality (Image)

2 Covers mailed in 1955 and 1959, with slogan cancels topic Airplanes, Aviation, Aeronautics, VF quality (Image)

40c. Stationery envelope sent from B.Aires to France on 25/NO/1957, with additional 60c. postage combining stamps of Próceres & Riquezas I and II, VF (Image)

Postal money order sent on 30/AU/1982 with postmark of "EST. Nº1 R. CASTILLO" (Buenos Aires) to Estafeta Puente Batel (Corrientes), with INFLA postage of $17,000, VF quality (Image)

Postal money order for $500000 sent on 4/JA/1983 from MIRAMAR (Buenos Aires) to Lomas de Galarza (Corrientes), with INFLA postage for $30000 (Image)

Registered cover sent from Pueblo Italiano to Villa María (Córdoba) on 6/AU/1989, with INFLA postage of A450, VF quality (Image)