GJ.861b, pair, one with "CORREC" var. (position 99), MNH, excellent! (Image)

GJ.863SG, block of 4 gummed on both sides and printed on gum, fine quality, very rare! (Image)

GJ.865P, IMPERFORATE pair, MNH, excellent! (Image)

GJ.866b, pair, one with variety: "First O of CORREO full" (position 83 on composition A), excellent, rare! (Image)

GJ.1109P, 1958 Confederation stamp centenary (carriages, horses), IMPERFORATE PAIR, MNH, excellent! (Image)

GJ.1114P, 1958 Buenos Aires stamp centenary (port, ships), IMPERFORATE PAIR, MNH, excellent! (Image)

GJ.1117P, 1959 Jet airplanes, IMPERFORATE PAIR, very lightly hinged, VF quality! (Image)

GJ.1241b, pair, one with variety "1 fallen", excellent! (Image)

GJ.1255, 1963 18P. Stylized airplane, block of 4 with notable STRONGLY SHIFTED PERFORATION variety, excellent (2 stamps lightly hinged, 2 MNH) (Image)

GJ.1287P, 1964 Discovery of America (caravels, indians, etc), IMPERFORATE PAIR, MNH, excellent! (Image)

GJ.1295P, 1965 1st Philatelic Meetings of the River Plate, IMPERFORATE PAIR, VF quality! (Image)

GJ.1338P, 1965 15P. Stylized airplane, IMPERFORATE PAIR, VF quality, rare! (Image)

GJ.1349SG, 1966 Rockets, Antarctica, PRINTED ON GUM variety, excellent quality, rare! (Image)

GJ.1352, 1966 Hornero ovenbird, block of 4 with VARIETY: very shifted colors, excellent quality (2 lightly hinged and 2 MNH), very nice! (Image)

GJ.1/3, 1933 Issue made by Air France commemorating the arrival of Arc-en-Ciel airplane and pilot Jean Mermoz, set of 3 values, MNH, excellent quality, rare! (Image)

GJ.1, Un Real M.C. franking a very long entire letter sent from MERCEDES to Corrientes on 13/DE/1859, with very interesting content about politics. Excellent quality, with Mautalén-Solari certificate, a very attractive letter both from a philatelic and historical perspective! NOTE: Entire letters with Corrientes are very rare, usually only folded covers! (Image)

GJ.12, BRICK RED-rose, absolutely superb, rare! (Image)

GJ.12, BRICK RED-rose, with the extremely rare rectangular datestamp of MBURUCUYÁ, fine example, very attractive! (Image)

GJ.15, dark lilac, with the extremely rare oval "RECEPTORIA DE MERCEDES" cancel in blue, blunt corner else excellent! (Image)

GJ.16, dull rose, used in August 1880, excellent quality! (Image)

GJ.8A, 10c. grass green, wide margins, with variety: "large accent above the second N of ARGENTINA", used in Rosario, VF quality, rare color and VERY RARE VARIETY! (Image)

GJ.10, 5c. without accent, RED-ROSE color, used in Rosario on 22/AP/1864, excellent! (Image)

GJ.10, 5c. without accent, very rare and notable PURPLE-ROSE color, very fine quality, one of the few known examples! (Image)

GJ.13A, 10c. WITHOUT accent, semi-worn plate, OLIVE GREEN color, with framed CERTIFICADO cancel of SAN LUIS in blue (+100%), excellent quality, very rare! (Image)

GJ.15, 5c. narrow C, red color, used in Rosario, very ample margins, with a tiny thin on back barely visible, superb front! (Image)