More than 260 covers with postmarks of Argentine Antarctic stations: ISLAS ORCADAS DEL SUR (many), Tte. Matienzo, Esperanza, Melchior, General Belgrano, Decepción, Tte. Cámara and General San Martín, all from late 1950s and early 1960s, DUPLICATION, most of fine to very fine quality. Their retail value is US$10-20 each, great opportunity for investors or for retail resale with important profits!! (Image)

Original photograph of Decepción Antarctic station datelined on back 28/FE/1958, with greetings and signature of the telegraphist and ham operator, interesting! (Image)

ORCADAS DEL SUR: 17 Covers sent from Orcadas to the continent between 1942 and 1990, very fine general quality, low start! (Image)

VERY RARE COVER, 26/SE/1968 RESCUE OPERATION led by icebreaker Gral. San Martín: One of the few covers prepared by the Captain of the ship with marks of the Expedition and on back cancel of Alte. Brown Antarctic station for 19/AU/1968, and which were given to some important philatelists who had sent mail to be carried by the icebreaker in that trip (in total 1,045 covers that could not be embarked for various reasons), along a letter of the Post signed by Julio Cesar Sáenz explaining the situation. (Image)

3 Airmail covers carried in Antarctic flights in 1969, 1970 and 1971, very interesting! (Image)

MAIL BETWEEN ANTARCTIC BASES of different countries: Cover sent from Esperanza base (Argentina) to the Scott base (New Zealand) on 5/NO/1969, with handstamps and signature of the leader of the base on back, with transit mark of Buenos Aires for 12/DE, very fine quality, unusual! (Image)

Over 80 covers or cards with handstamps and postmarks of the different Argentine Antarctic bases and different dates, all of very fine quality, some are very scarce. Great opportunity, considering that they have a market value of between US$10 and 15 each! (Image)

Over 80 covers or cards with handstamps and postmarks of the different Argentine Antarctic bases and different dates, all of very fine quality, some are very scarce. Great opportunity, considering that they have a market value of between US$10 and 15 each! (Image)

First launching of mail on Orcadas del Sur station with KC-130 airplanes of the Argentina Air Force, with signature of the chief of the base and postmark of 3/MAY/1981, very fine quality! (Image)

11 Covers or cards sent from Orcadas to continental Argentina between 1942 and 1954, several with arrival backstamps, and most have small towns as destination (scarce!), in general of very fine quality, market value US$10 to 25 each, low start! (Image)

Wrapper for printed matter franked with 1P., sent from Buenos Aires to Orcadas, with arrival mark of 29/JA/1963 and signed by the chief scientist (addressee) + another signature, VF quality, very rare! (Image)