AFRICAN COUNTRIES: 30 Covers, etc. of varied periods, most sent to Argentina, very attractive group! IMPORTANT: Please view ALL the photos of the lot, because all the covers have been scanned (both sides) (Image)

13 Covers of years 1958 to 2006, with marks of Antarctic bases of varied countries, some signed, etc., very fine general quality. IMPORTANT: Please view ALL the photos of the lot, because all the pieces have been scanned (both sides) (Image)

Cover of 27/DE/1991 with Spanish stamp and first day postmark commemorating 30th anniversary of the Antarctic Treaty, with signature of Manuel García (designer of the stamp), very attractive! (Image)

8/NO/1967 First overflight of a Boeing 707-387 B of Aerolíneas Argentinas in Antarctica, cover with special handstamp and signed by the Commander of the flight, rare, ONLY 20 are known! (Image)

9/JA/1973 Tourist cruises to Antarctica, FIRST TRIP of the Cruiser Libertad, with special handstamps and postmark of Almirante Brown base for 27/JA, VF quality! (Image)

CORBETA URUGUAY Antarctic station, used postal cards GJ.98/101 with special marks and datestamp of the station 25/JA/1982, etc., VF quality. Value of the 4 used cards US$200, good opportunity! (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)

Folded cover used in 1850s (genuine), with a FORGED straightline pre-stamp mark "CORDOBA", produced by Abarca in 1960/70 on genuine covers that he obtained from old archives. For a time he managed to deceive Victor Kneitschel, who after descovering the forgery, published a chapter dedicated to these forgeries in his specialized catalog of 1974. Very interesting for study and comparison, good opportunity at low start! (Image)

Folded cover used in 1850s (genuine), with a FORGED straightline pre-stamp mark "CORDOBA", produced by Abarca in 1960/70 on genuine covers that he obtained from old archives. For a time he managed to deceive Victor Kneitschel, who after descovering the forgery, published a chapter dedicated to these forgeries in his specialized catalog of 1974. Very interesting for study and comparison, good opportunity at low start! (Image)

8 Covers, folded covers etc. used between 1872 and 1891, several with defects, interesting, low start! (Image)

Official folded cover sent on 31/AU/1879 by the supervisor of Escuela Fiscal de Caminiaga to the General School Inspector in Córdoba, with straightline SIN CARGO mark and rectangular datestamp of SAN FRANCISCO, both in green, arrival backstamp of Córdoba, excellent quality! (Image)

Official entire letter sent to Giles on 24/AU/1879, with the very rare rectangular datestamp of GENERAL ALVEAR perfectly applied, with transit marks of Buenos Aires, excellent quality, with Alberto Solari certificate. (Image)

5c. Stationery envelope sent to Rosario on 24/MAY/1892, with extremely rare cancel "ESTAFETA BALDE - SAN LUIS", minor opening defects, very interesting! (Image)

3 Covers + 1 front + 1 fragment with stamps of the issue "Discovery of America 400 years", one with defects, interesting! (Image)

1c. Rivadavia wrapper with rectangular datestamp COLONIA SAN AGUSTÍN - SANTA FE - 9/DE/95, VF quality! (Image)

5c. Stationery envelope sent to Mendoza, with rare violet oval cancel "OFICINA TELEGRÁFICA - TUNUYAN MENDOZA", VF quality! (Image)

TRAVELING PO OF ENTRE RÍOS: 4 Stationery envelopes used between 1900 and 1904 with railway PO cancels of Ferrocarril de Entre Ríos (different), VF quality, rare! (Image)

Postcard franked with 5c. Seated Liberty, with extremely rare double circle JOSÉ MARÍA GUTIERREZ postmark (Buenos Aires) perfectly applied, sent to Buenos Aires on 20/JUL/1903. (Image)

5c. San Martín postal card sent to Germany on 30/SE/1920, with very rare postmark of 'ISLA MACIEL', VF quality! (Image)

MARKS OF PARANÁ POSTMEN: 9 Covers mailed between 1926 and 1928 from Buenos Aires to Paraná, on back with marks of the various postmen that delivered the letters, numbers inside small square: 2, 3, 5, 6,8, 10, 12, 15 and 17, some with age spots, all the same very interesting lot for the especialist! (Image)

Registered cover franked with block of 4 of 12c. San Martin w/o period, sent by AIRMAIL from Córdoba to Bahia (Brazil) on 31/DE/1927, with oval "CORREOS Y TELÉGRAFOS - VÍA AÉREA - CÓRDOBA" (this mark was used for flights between Córdoba and Río Cuarto by Lloyd Aéreo Córdoba airline, which closed on 31/MAR/1927!) on front and arrival mark for 7/JA/1928, very interesting! (Image)

25/JUN/1929 Salta - Buenos Aires - AUSTRALIA - San Francisco (USA) - Buenos Aires - Salta: Cover franked with 12c. San Martín without period sent to Poste Restante in Perth (Western Australia), where it was never clained, with "DEAD LETTER - PERTH - WA - 11/OCT" and other return and transit marks, very interesting! (Image)

3/SE/1929 Buenos Aires - Santiago de Chile, first regular airmail flight of Cia Aeropostale, pilot Guillaumet, with special handstamp on back, excellent quality! (Image)

31/OC/1929 Comodoro Rivadavia - Buenos Aires: First flight of Aeroposta Argentina, WITH SIGNATURE of the pilot Saint Exupery, arrival backstamp, very rare (only 70 covers were carried, and few were signed by the author of "The Little Prince", excellent! (Image)

23/MAY/1930 Buenos Aires - Friedrichshafen, cover flown by Zeppelin, postage of the special issue with green overprint, pairs of the 50c. and 1P. values, arrival backstamp, excellent quality! (Image)