Cover sent to Santiago on 6/FE/1948, cancelled "TERRITORIO ANTÁRTICO CHILENO", VF quality! (Image)

38 Covers of the 1960s/70s, apparently all of different Antarctic bases and dates, there are attractive marks, most of excellent quality. Good opportunity at low start (market value US$10 each or more!) (Image)

Handsome PC with view of the Arab market in Algiers, sent to Argentina on 22/MAR/1938, unusual destination! (Image)

Entire letter sent from Buenos Aires to Tandil on 15/SE/1861 by stagecoach mail MENSAJERÍA DEL COMERCIO, very well applied handstamp. Several age spots, all the same rare and interesting! (Image)

Entire letter sent from Buenos Aires to Tandil on 14/AU/1863 without postage, with datestamp mark of stagecoach mail "NUEVAS PENINSULARES", interesting! (Image)

Entire letter dated ESQUINA 11/JA/1866, sent to Buenos Aires without postage or postal marks, sent 'with leather, via steamer Esmeralda' according to manuscript endorsement, VF quality, interesting! (Image)

RARE STAGECOACH MAIL TO OVERSEAS: Cover sent to Italy, it arrived in Buenos Aires from some town in the Province of Buenos Aires by stagecoagh mail MENSAJERÍA DE JORGE VALLÉE (arrival backstamp of 27/JUN/1879), and from there to Italy (Ivrea arrival 2/AU). The letter possibly bore Argentine stamps at top left, which were lost at some point. Stagecoah mail covers sent abroad are extremely rare, fine quality, with Kneitschel and Solari certificates (Image)

Over 40 covers used between circa 1895 and 2000, there are some very interesting pieces, censored, special flights, a couple of covers with the Falkland Islands/Malvinas during the war, a couple of rare modern varieties, and many more. (Image)

Postal card with reply paid (attached) GJ.TAR-24 sent by REGISTERED MAIL from Buenos Aires to Germany on 2/AU/1907 with handsome additional postage of the Seated Liberty issue (total 18c.), excellent! (Image)

21/JUN/1919 Buenos Aires - FINLAND, cover franked with 12c. (GJ.461 strip of 3) with rare Finnish censor mark, VF quality, unusual destination! (Image)

Cover sent by ZEPPELIN to Germany on 11/OC/1932, very colorful postage that includes pairs of the set GJ.720/722 (the GJ.721 pair with a very rare PARTIAL DOUBLE IMPRESSION of the overprint), very interesting! (Image)

Cover sent by ZEPPELIN to Germany on 27/OC/1932, franked with 4 different stamps of the first airmail issue + GJ.715, very nice, VF quality! (Image)

Special New Year greeting card of Air France, sent from Buenos Aires to Germany on 16/DE/1933 with reduced postage of 35c., excellent quality! (Image)

4c. San Martín postal card (illustrated with map of South America, and inside data of the last national census) sent from the Buenos Aires Philatelic Expo to Uruguay by registered mail on 24/OC/1935, very rare (these postal stationeries are scarce in used, and even more registered!) (Image)

PERFINS: Registered cover used in Buenos Aires on 16/OC/1940, franked with 37c., stamps with commercial perfin MRP (1c. values without perfin), very interesting! (Image)

Airmail cover sent by the Red Cross in Buenos Aires to Washington on 11/OC/1943, franked with 1P. Map CHALKY PAPER + another value (total postage 1.15P.), double censorship (Trinidad + USA), VF quality! (Image)

Airmail cover sent from Buenos Aires to TAHITI on 7/OC/1971, franked with 6.65P. (strip of 5 GJ.1536, very rare on cover + other values), unusual destination! (Image)

7 Covers sent to the Falkland Islands/Malvinas between 1973 and 1980, interesting! (Image)

3 Covers (with original letters included) sent from ESTACIÓN AZOPARDO to Bahía Blanca in 1931 franked with 10c., with datestamps in black and violet, rare! (Image)

PLANE WRECK: Registered cover dispatched in Buenos Aires in MAY/1930, it shows evident signs of water damage, the address of the addressee is illegible, it was returned to sender with various marks and postal seal, very fine! (Image)

MIXED POSTAGE: Airmail cover sent from Bruxelles to Argentina on 20/MAY/1938 with 18.75Fr. franking. Sent to Poste Restante, upon delivery it received an Argentine stamp of 10c. to pay the service, very nice! (Image)

16/AU/1930: Potosí - Cochabamba first airmail, arrival backstamp, fine quality! (Image)

16/AU/1930: Potosí - Sucre first airmail, with arrival backstamp, VF quality! (Image)

24/AU/1930: La Paz - Rio de Janeiro 3rd flight, cover sent from Cochabamba to Germany, on back it bears a mark applied by the LAB agency in Puerto Suarez when the airplane made its last stop on its way to Rio de Janeiro, VF quality! (Image)

Airmail cover sent from Valle Grande to Cochabamba on 10/NO/1930 by LAB, franked with 50c., with arrival backstamp, VF quality! (Image)