Complete sheet of cinderellas commemorating 10th anniversary of Gral San Martín Antarctic base 1951-1961, VF quality (Image)

Postcard of Patagonian cargo ship "Santa Micaela" with postmark of Gral San Martín Antarctic base of year 1951 (Image)

Cover sent from Gral Belgrano Antarctic base to B.Aires on 6/JA/1965, franked with $4 (GJ.1272), arrival backstamp, light staining (Image)

Cover with postmark of Matienzo Antarctic base + several handsome marks (Image)

Cover sent from Brown Antarctic base to B.Aires on 19/JA/1967, franked with $27.50 (GJ.1349, rocket launching in Antarctica), handstamp of John Bosco on front + arrival backstamp (Image)

Cover sent from Esperanza Antarctic base to B.Aires on 10/JA/1968, with mark of icebreaker ARA "Gral San Martin", arrival backstamp (Image)

Cover sent fom tourist cruise ship to Buenos Aires, mark of "Rio Tunuyán" + arrival backstamp (Image)

Cover with mark "Correspondencia Transportada desde la Antártida por aviones de la Fuerza Aérea Argentina" and postmark of Marambio Antarctic station of AU/1973 (Image)

Cover with postmarks of Marambio Antarctic base + "AGENCIA POSTAL - Rompehielos Gral San Martín" of 4/DE/1973, large handstamp illustrated with penguin, very nice (Image)

Cover with cachet of icebreaker ARA Gral San Martín, with attractive marks, and postmark of Brown station of 21/DE/1976 (Image)

Cover sent from Matienzo Antarctic base to B.Aires on 5/FE/1985, with cachet "Correspondencia Recibida de la Antártida" (Image)

2 Covers sent from icebreaker Irizar and Orcadas Antarctic base during the 2000/2001 Campaign, one signed by the chief of the base + the postmaster, very attractive handstamps, VF quality (Image)

2003/4 Antarctic Campaign, 4 DIFFERENT ANTARCTIC STATIONS: 4 covers franked with 75c (GJ.3336), sent from Jubany, Esperanza, San Martín and Belgrano II stations to Buenos Aires, excellent (Image)