Cover sent from Esperanza base to B.Aires in FE/1959, franked with $1.20 (GJ.1108 x3) (Image)

Cover sent from Esperanza base to B.Aires on 25/SE/1971, arrival backstamp, with large handstamp on front "Servicio Meteorológico Nacional - Antártida Argentina" in blue (Image)

Cover with handstamp of icebreaker Gral. San Martín of 15/JA/1973, signed by officer, VF (Image)

Cover of the Antarctic Tourist Expedition 1974/75, with datestamp of Esperanza base of 26/JA/1975, signed by the chief of the base, along other nice marks (Image)

Cover with large handstamp commemorating the 1977 German Antarctic expedition (Image)

Cover with handstamps on front and back of JUBANY Antarctic station in 1994 (Image)

Cover sent from Marambio base to B.Aires on 27/JA/1995 (Image)

Cover sent from Belgrano II base to Rio Grande on 9/JUL/1996 (Image)

2c. Wrapper with cancel of Islas Orcadas 10/DE/1949 (Image)

Cover sent from B.Aires to Islas Orcadas on 22/AP/1963, arrival cancel, with several attractive marks on front and back, including signatures of the commander and scientific chief of the base, very nice (Image)

Express cover sent from Islas Orcadas to New York on 24/OC/1963, with rare postage of $30 combining commemorative + official stamps (GJ.1195 block of 4 + GJ.754), signed by the commandar and scientific chief of the base, with several colorful marks, and arrival backstamp, VF (Image)

Cover with postmark of Orcadas Antarctic base of 1/JA/1984 (Image)

Cover with a number of different marks of Islas Orcadas on front and back, used on 12/JA/1989, very nice (Image)

Large fragment of folded cover with FORGED stagecoach mail mark "LOS INICIADORES" (Image)

Rococo cancel "Correos de ANDALGALÁ" on fragment (circa 1868), very rare! (Image)

Postcard sent from Salta to B.Aires on 24/JUL/1936, franked with 4c. Brown ALONE! (Image)

Cover with cancel + registration label "AGENCIA 72/14" (B.Aires), sent to Puerto Madryn (Chubut) of 19/OC/1938, franked with 25c (Image)

Registered cover sent from B.Aires to Basel (Switzerland) on 11/JA/1947, franked with 57c. (including GJ.846 Mercury), arrival backstamp (Image)

3 Small mourning covers of different periods and with different postages (Image)

Cover sent from B.Aires to France on 17/MAR/1948, with handstamp of 20th anniversary of 1st Argentina - France airmail (Image)

Cover with private corner card, sent from Córdoba to Switzerland on 14/JUN/1948, franked with $1.60, arrival backstamp (Image)

TOPIC PERONISM: 11 cards/covers, several are FDC covers, very nice (Image)

Express cover sent from B.Aires to Germany on 22/JA/1970, with large postage of $250 (GJ.1318 block of 5) (Image)

Lot of 3 postages for "Certificados - Impresos" of different years and rates ($95, $360 and $455), rare group! (Image)

Cover sent from San Martín de los Andes (Neuquén) to Falkland Islands/Malvinas in AP/1976, with "Declaración Conjunta", and franked $12 (GJ.1637 pair) (Image)