GJ.529/532, 1921 Pan-American Postal Congress, set of 4 values on a circular of the issue (franking validity, selling method etc), with special postmark 9/SE/1921 with slogan of the Congress, VF quality! (Image)

Sc.9, 1872 ½R. blue, franking a folded cover sent from PELILEO to Lacatunga on 9/FE/1874, very nice! (Image)

Envelope of 1919 with set of First National Assembly + cover of 1944 franked with 10+10Zl. + new issue of 10Zl of 1943 with special postmark, interesting! (Image)

About 19 covers and postcards, from varied countries and periods, mixed quality (many with defects), good opportunity at low start! (Image)

ALGIERS: Djama Djedid mosque & rue de la Marine, maximum card of 1937, VF quality (Image)

1st National Congress of JOURNALISTS of 1-8 September 1951: Mini poster with several postage stamps and special postmarks of the Congress, rare! (Image)

AIRPLANES: 8 photographs of 1929/1940, with spectacular views, including the "Arc-en-Ciel" in 1933, very nice! (Image)

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

ACCIDENT IN THE ICEBREAKER SAN MARTIN: Airmail cover sent from Buenos Aires to Alte. Brown Antarctic station on 1/SE/1967 on a special flight of the Air Force, with arrival mark of 15/OC. On the way back aboard icebreaker A.R.A. Gral. San Martín, a few letters were damaged by sea water, and received a black mark of Secretaría de Comunicaciones indicating this issue, very rare, good opportunity! (Image)

Tourist trips to Argentine Antarctica: 6 Covers with special cachet and varied colorful postages (including one with Falkland I. stamps), all with special cancel of the first trip, very attractive group! (Image)

2/FE/1942 Inauguration of the postal office in Orcadas islands, 4 commemorative covers and a card, all with first day cancels and sent to Buenos Aires or Córdoba! (Image)

3 Covers sent to Buenos Aires on 14/FE/1943, 5/FE/1945 and 5/MAR/1946, VF quality! (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)

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)

18/DE/1948 Maximum card of Gral. Leclerc, very nice! (Image)

Airmail cover sent from Oran to Brazil on 2/DE/1950, unusual destination! (Image)

12/OC/1892 Buenos Aires - France, cover franked with stamps of the issue for 400th anniversary of Discovery of America, with Paris arrival mark on front (14/NO), VF quality. These stamps franking covers sent abroad are scarce! (Image)

10/SE/1929 NOGOLI (San Luis) - Germany, 12c. airmail stationery envelope + additional postage (total 1.42P.), on back Buenos Aires transit mark and Berlin arrival 24/SE, rare origin! (Image)

COLORFUL POSTAGE: Registered airmail cover front sent from Buenos Aires to USA on 23/OC/1938 with 18 different stamps of Proceres & Riquezas I issue, including 10P. Grapes, spectacular! (Image)

19 Covers (or cards) used in varied periods with attractive postages, very good lot for the specialist! (Image)

22/SE/1946 Card of the Aeronautics Week (commemorating the balloon crossing of the Andres in 1916 by Bradley and Zuloaga), signed by both pilots, very rare! (Image)

MIXED POSTAGE: Cover sent from Buenos Aires to Santiago de Chile on 25/MAY/1947 franked with stamps of the "First Antarctic Mail" issue, and forwarded from Santiago to Buenos Aires with stamps of the "Chilean Antarctica" issue, with small defects but very attractive! (Image)

Cover used in Buenos Aires in JA/1950 franked with a REVENUE STAMP of 1P., without postage dues. NOTE: Covers franked with stamps that are not postage stamps (revenue, cinderellas, etc.) and were not taxed are very scarce! (Image)

6 Rare flyers of the Post with various indications about its services (illustrations by Dell´Acqua), with postage and special cancel of the Telecommunications Conference of 1952, excellent group! (Image)