2/FE/1959, Decepción Antarctic base - Buenos Aires, cover sent on the FIRST tourist cruise trip to Argentine Antactica via Ushuaia, franked with $2.20, large number of handstamps, including arrival mark, VF (Image)

1/JA/1962, Decepción Antarctic base - Buenos Aires, cover sent via Orcadas and Ushuaia, signed by the chief of the base, franked with $2.25 (complete set of first Antarctic mail with first day postmark + $2 official stamp), several handstamps, VF (Image)

Cover sent from Matienzo Antarctic base to Buenos Aires on 24/SE/1964 franked with $2 (GJ.1139 x5), several handstamps, small defects (Image)

4 Antarctic bases: Cover with mark of ship "Bahia Aguirre" + of the bases Esperanza, Decepción, Orcadas and Alte. Brown (Image)

22/FE/1967, Petrel Antarctic base - Buenos Aires, cover with special handstamp commemorating the inauguration of the Petrel base during the 1966/67 campaign, franked with $12 (GJ.1357), signed by the commander, arrival backstamp, VF (Image)

3 Modern covers sent from different Antarctic bases to Buenos Aires, one signed, VF (Image)

8c. Stationery envelope (SOB-3) with cancel "ESTa AMBULANTE - N°9", sent to Buenos Aires on 3/MAR/1887 and returned to sender, several marks on back (Image)

½c. Wrapper with interesting impression on back "E. Filemon Naon y Cia. - Empresarios de las Boletos Avisadores - Privilegiados por el S.G.N." (Image)

4c. Lettercard sent from Buenos Aires to San Juan on 15/DE/1891, with printed text asking to pay the subscription of "EL CORREO ESPAÑOL" for 10 $m/n, with small holes (Image)

12c. Stationery envelope uprated with 12c. (GJ.129, perf 11½ x 12), sent from B.Aires to Paris on 29/MAR/1892 (Image)

3c. Lettercard used in Rosario on 2/JA/1894, with text printed in English about the arrival of a new "INDIAN TEA", VF (Image)

4c. Lettercard used in Buenos Aires on 5/MAY/1898, with text printed in English about a meeting of the Intl. Union of Friends of Young Women, VF (Image)

4c. Lettercard sent from Buenos Aires to San Juan on 2/AU/1899, with printed text about the arrival of imported haberdashery products, VF (Image)

4c. Lettercard sent from Buenos Aires to San Juan on 21/MAY/1901, with printed text about an illustrated catalog of devices for gas, electricity and water, VF (Image)

Mourning cover franked with 2c. (GJ.459), sent from Buenos Aires to Temperley on 25/AP/1919, VF (Image)

4c. Wrapper uprated with ½c., used in Buenos Aires on 9/SE/1920 (Image)

4c. Postal card posted on 11/SE/1942, with advertising for a private German library (Image)

Cover with cancel of "LUAN TORO" (La Pampa), VF (Image)

Cover with rare slogan cancel "August 6-1911 Ameguino passes away, a life devoted to science" for 6/AU/1947 (Image)

Lot of 5 old used covers, all franked with stamps from souvenir sheets (rare), there are complete sets, the general quality is fine! (Image)

Official envelope of a National Senator (embossed coat of arms), franked with $2.60 and sent from Buenos Aires to USA in JUN/1950, returned to sender, VF! (Image)

Advertising cover (perfumery) sent from Juárez to Tandil (B.Aires) on 15/AU/1951, with attractive multicolor postage of $2.40 (Image)

Cover sent to a radio program in Concepción del Uruguay in 1951 (possibly during the first months of the radio station), with mixed postage of 10c. (5c. San Martín + REVENUE stamp of Entre Rios of 5c.), without dues, rare! (Image)

14/MAY/1955, Buenos Aires - France, cover with handstamp commemorating 25th anniversary of crossing of the Atlantic by Mermoz, franked with 1.50, VF quality (Image)

2 Covers with slogan cancel 'Movimiento Revolucionario Libertador - Córdoba - Capital Provisional de La República', both franked with 20c. (GJ.1034) and cancelled on 22 and 25/SE/1955, VF! (Image)