GJ.636, 5c. Biplane flying over the globe, PROOF in the issued color, strip of 3 printed on thin unsurfaced paper (not catalogued by Kneitschel), with small wrinkles else VF, one with offset impression on back, very rare! (Image)

GJ.640, 20c. Condor and Andes mountains, proofs in the issued color, imperforate pairs on thick glazed paper and thin unsurfaced paper (not catalogued by Kneitschel), VF and rare! (Image)

GJ.717a + var, 1931 90c. First anniversary of the revolution, pair, the left stamp with "REPUBLICÁ" variety, and the right one "3 with blunt foot", very fine quality! (Image)

GJ.717c, 1931 90c. First anniversary of the revolution, with VARIETY: "1931 with circle" (position 49), VF quality (Image)

GJ.718a, 1931 1.80P. First anniversary of the revolution, with VARIETY: "1931 with circle" (position 49), VF quality (Image)

GJ.719a, 1931 3.60P. First anniversary of the revolution, with VARIETY: "1931 with circle" (position 49), used is much rarer than mint, VF quality, very scarce variety! (Image)

GJ.1404P, 1967 Naranjero bird, IMPERFORATE PAIR, MNH, excellent quality, extremely rare (only a sheet of 25 pairs is known!) (Image)

JALIL Guillermo & GOTTIG José Luis: Specialized Catalogue of Postage Stamps and Postal History of Argentina (2018/2019 edition), 2 volumes, hardbound, 728 pages. Free downloadable updates will be available for later issues. It includes ALL the Argentina stamps issued up until late 2018, with errors, varieties in perforations, papers, watermarks, etc., with photographs of catalogued varieties, and explanations to help the readers identify the different papers, printings, shades, etc. It also includes complete chapters (with details and varieties) on: Official stamps, telegraph stamps, Ahorro Postal, variable value stamps etc. etc., POSTAL STATIONERIES (old and modern), PRE-STAMP MAIL (with details of each mark) and STAGECOACH MAIL (with good photos of all the existing marks). With fair prices in line with the current market. This is the most important work of its kind ever published on Argentina philately, an essential guide both for beginners and advanced collectors, and also for stamp dealers and investors. IMPORTANT: Heavy lot (3 kilos), shipping costs worldwide from Argentina will be approximately US$60, please bear this in mind before placing your bid. IMPORTANT: You can also purchase the catalogue DIRECTLY at our website www.JalilStamps.com, for a more immediate processing! (Image)

GJ.16, 4R. green, very worn impression, beautiful example of ample margins, nice color and very fresh. It has a tiny thin in the hinge area, bearly visibly and insignificant. Handsome and very attractive, signed by Victor Kneitschel on back. (Image)

GJ.16g, 4R. green, with variety "bottom frame line interrupted below the A of AIRES", mint, with tiny and barely visible thin on back, completely insignificant, only mentioned for the sake of accuracy, very good front, very scarce! (Image)

GJ.1, with the extremely rare FRANCA cancel of Concepción del Uruguay in red (+800%), excellent quality, with Alberto Solari certificate. NOTE: Until a few years ago, it was believed that this mark was of the city of La Paz (in Entre Ríos) until an entire letter was found that proved its true origin. (Image)

GJ.1, 5c. red, with FRANCA cancel in ogive of PARANÁ (+30%), very fine quality, signed by Alberto Solari on back (Image)

GJ.1, 5c. red, used with FRANCA cancel of Tucumán (+200%), excellent! (Image)

GJ.1d + 1e, pair of stamps with varities "double period after the 5" and "double period after CENTAV", used with very nice blue FRANCA cancel in ogive of PARANÁ (+30%), one example with small thin on back, very nice and rare, market value US$260, signed by Alberto Solari (Image)

GJ.3A, 15c. plate B, dark blue, ample margins, with cancel of Córdoba that I cannot guarantee is genuine (it appears to be, but I still have some doubts) and for that reason it is sold as mint (its catalog value is much lower than used: US$200 mint, US$500 used), minor thins on back, superb front, good opportunity! (Image)

GJ.1, type 3, with unusual pen cancel, VF! (Image)

GJ.3, blue, on fragment with mute 16-bar cancel of Corrientes, used in the first period of usage, VF quality, rare, signed by Alberto Solari on back. (Image)

GJ.6, yellow, on fragment with rimless datestamp of Corrientes, excellent quality! (Image)

GJ.7, dark blue, type 5, on fragment with interesting pen cancel, VF quality! (Image)

GJ.7, dark blue, type 4, VERY OILY IMPRESSION, with mute 9-bar cancel of Corrientes, VF (Image)

GJ.8, dull rose, type 2, huge margins and with very nice pen cancel, excellent quality! (Image)

GJ.8, dull rose, type 3, on fragment with CORRIENTES datestamp with Maltese cross, very nice! (Image)

GJ.12, brick rose, type 2, with rectangular datestamp of SAN ROQUE (+100%), VF and rare! (Image)

GJ.13, redish lilac, type 6, beautiful example of wide margins and with an attractive pen cancel, excellent quality! (Image)

ATTRACTIVE VARIETY: GJ.13, redish lilac, type 1, with notable unprinted area on left frame, pen cancelled with 2 diagonal strokes in violet, excellent quality, rare! (Image)