19 Modern covers and cards with cancels and marks of Antarctic bases of various countries, VF general quality, good opportunity! (Image)

BAHÍA LUNA STATION: Cover with postmarks of 5/DE/1954, VF quality, rare! (Image)

Wrapper for printed matter franked with 2P., 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)

Cover sent from Germany to the chief scientist in the Orcadas base on 29/MAY/1962, with several transit and arrival marks (8/DE/1962) and signature of the addressee, VF quality. Covers sent from foreign countries to the South Orkneys or other Argentine Antarctic stations are very rare! (Image)

Envelope with postmark of "EXPEDICIÓN GABRIEL GONZALEZ VIDELA" 18/SE/1957, very fine quality! (Image)

Letter sent from "Argentina" to Coira (Switzerland) on 28/FE/1742, written in Italian, excellent quality, extremely old date for a letter sent from Argentina! (Image)

20/NO/1850 Buenos Aires - France, cover sent to Paris by English mail, interesting marks on front and back. It is stained on the left, else very nice, low start! (Image)

Entire letter sent from Montevideo to Buenos Aires on 3/FE/1875 franked with 5c. (mute blue cancel), with arrival backstamp of 4/FE and POSTAGE DUE mark for home delivery "CORREOS URBANOS - 4 Ctvos.", VF! (Image)

½c. Wrapper sent from Rosario on 19/SE/1892, with rare arrival handstamp of ESTACIÓN MARGARITA (Santa Fe, Ferrocarril Reconquista), VF! (Image)

5c. Rivadavia PS cover, sent to Buenos Aires on 23/AP/1893, with the rare double circle cancel of LA TIGRA (B.Aires), VF quality! (Image)

Cover franked by GJ.180 x2 (one on very bluish paper), sent from B.Aires to PRAGUE (Austria) on 1/MAY/1897, with arrival backstamp of 25/October, more than 5 months later!! VF quality! (Image)

Registered cover franked on reverse by GJ.180 margin strip of 3 with printer imprint, sent with AR from ESTACIÓN MAIPÚ to France in August 1897, VF! (Image)

Cover franked by GJ.178 sent from SAN MARTÍN DE LAS ESCOBAS (Santa Fe) to Buenos Aires on 1/OC/1898, VF! (Image)

29/FE/1928 Buenos Aires - France: FIRST FLIGHT of C.G.A., 12c. stationery envelope + 1.26P. for airmail fee (7 grams x 18c.), final destination Paris (arrival 14/MAR), duration of the trip: 14 days. The route was MIXED: by airplane over the coast of Brazil, the crossing of the Atlantic by fast ship, from Senegal by airplane (with stops) to Toulouse (central offices of the C.G.A), and the last leg Toulouse-Paris by night train. Very fine quality! (Image)

Flight to reach steamer Cap Arcona in Rio de Janeiro, cover sent on 21/MAR/1928 to be delivered to a passenger during stop in Rio de Janeiro, VF quality! (Image)

12c. Stationery airmail envelope + 1.26P. for airmail fee (weight of 7 grams), sent to Verviers (Belgium) on 7/NO/1928. The sender endorsed it "via Toulouse"!!, with inscription in pencil "received on 19/NO", duration of the trip 12 days, interesting! (Image)

6/FE/1929 Rosario - Germany: Special airmail stationery envelope of 5c. + several stamps to complete the postage of 1.24P., sent by registered airmail, on back transit mark of Buenos Aires and arrival on 19/FE, very fine quality! (Image)

11/OC/1929 Buenos Aires - France: Registered airmail cover franked with 1.68P. (one stamp with broken corner), handsome! (Image)

PERFINS: 14 Covers posted between 1939 and 1941 by the company Molinos Río de la Plata S.A., franked with stamps with commercial "MRP" perfin, with some interesting postages in varied combinations, also very scarce stamps with this perfin, lot of great interest for the specialist! (Image)

RARE UNDERPAID COVER: Cover sent from Buenos Aires to Austria on 29/MAR/1952 with insufficient postage of 20c. instead of 45c., so it was taxed with 50c. to be paid on arrival. In Austria it received the equivalent due stamps, but they were cancelled with the mark UNGÜLTIG because the addressee had passed away and the letter was returned to sender, who eventually paid the dues with a stamp of 50c. "Petroleum" chalky paper, excellent and very rare! (Image)

15 Covers used in 1982 and 1983 with HYPER-INFLATION rates: $3000, 4000, 6000, 10,000, 25,000 and 27,500, fine to VF general quality! (Image)

29 Covers used in 1982 and 1983 with HYPER-INFLATION rates, including stamps of Flowers issue in the postage, with the following rates: $2000, 2400, 3000, 3320, 3800, 4000, 4200, 5000, 5500, 5900, 6000, 6200, 7000, 7500, 15,000, 27,500 and 40,000, fine to VF general quality! (Image)

12 Covers used in 1982 and 1983 with HYPER-INFLATION rates, including commemorative stamps in the postage, with the following rates: $2000, 3000, 3800, 5000, 7000, 8500, 10,000, 15,000, 20,000, 25,000, 30,000 and 54,500 (mixed meter postage and postage stamp of San Martín 50,000P!), fine to VF general quality! (Image)

MIXED POSTAGE WITH TWO CURRENCIES AT THE END OF HYPER-INFLATION: 2 Covers used in JUL and AU/1983 with postage in two different currencies: One with meter stamp of $9000 (the machines in the provinces had not yet been adapted for the new currency) + postage stamp of $a0.10, the other one with stamp of $500 + pair $a0.20, VF quality, very scarce! (Image)

29/SE/1936 Wien - Argentina, airmail cover sent by German DLH franked with 4.10S., with transit backstamp of Frankfurt and Buenos Aires arrival 4/OC (Image)