5/FE/1945 ISLAS ORCADAS DEL SUR - Lomas de Zamora, cover with nice 4-color postage, with arrival backstamp (Image)

FIRST AIRMAIL TO ANTARCTICA: Card franked with 40c. and cancelled "E.A. PRIMERA ESTAFETA AERONAVAL - ANTÁRTIDA ARGENTINA", on back it bears a datestamp of Decepción station, VF quality, rare! (Image)

Rare postmark of BAHÍA LUNA Antarctic station of 19/FE/1954 on cover that also bears 2 other cancels of ORCADAS Islands for 16/FE, tiny defect, rare! (Image)

8/NO/1967 First overflight of a Boeing 707-387 B of Aerolíneas Argentinas in Antarctica, cover with special handstamp and signed by the Commander of the flight, rare, ONLY 20 are known! (Image)

Cover franked with the complete Postal Welfare set, sent to Buenos Aires on 19/FE/1944, arrival backstamp (10/MAR), VF! (Image)