GJ.650a, 1928 1P. with the CENTER VERY SHIFTED downwards, spectacular and very rare! (Image)

RARE VARIETY ON COVER: GJ.653, 1928 1.80P. with variety CENTER SHIFTED upwards (notable and unusual variety!) + other values, franking a cover sent from Buenos Aires to Switzerland on 17/AP/1931, VF! (Image)

GJ.660/664, 1930 Zeppelin, the set of 5 values between 50c. and 3.60P. in special folded of the Post, some with green overprint, affixed to the second page of the folder. Very rare, numbered "25", excellent quality! (Image)

GJ.5, Dos Ps. blue, huge margins, with a blunt corner else fantastic, very fresh, very clear impression, very interesting! (Image)

GJ.7, 4P. red, notable example with very ample margins, and double ponchito cancel, with a repaired cut in the top border else excellent, rare, signed by Victor Kneitschel and with Alberto Solari certificate. (Image)

GJ.11, IN Ps. blue with 4 huge and unusual margins for this issue (sheet margin below), with light and perfect ponchito cancel, tiny thin on back of little importance, a very handsome stamp! (Image)

GJ.11, IN Ps. azul, type 34 on the sheet, on a fragment along a mark of "MENSAGERIAS ARGENTINAS" (GJ.MSJ 81), rare. The value of a letter with this postage and mark is of US$2,000, very handsome, with Alberto Solari certificate (Image)

GJ.17, 1P. light blue, exceptional corner single (position 1) franking a front of folded cover sent to Corrientes, with ponchito cancel of Buenos Aires, excellent quality, with Alberto Solari certificate (Image)

GJ.2BID, 10c. green diagonal BISECT used as 5c. franking an entire letter dated 31/JUL/1860, sent to Rosario, with straightline FRANCA cancel of Tucumán (+200%), excellent quality, rare, signed by Victor Kneitschel. (Image)

GJ.8A, 10c. grass green, splendid example with right sheet margin and 2 very ample margins (top one stealing part of neighboring stamp), used in Rosario, VF quality! (Image)

GJ.36, 4c. Moreno diagonal BISECT used as 2c. + other values, franking a cover sent from Tandil to B.Aires on 7/OC/1890, VF quality! (Image)

GJ.80, 1888 ½c. Urquiza, irregular block of 10 MNH stamps (+100%), the expert will surely find interesting varieties (we found: "spot on the O of MEDIO", "spot on the D of MEDIO"). Very fresh, with some weak perforations (handle with care), good opportunity! (Image)

GJ.97, ½c. Urquiza franking ALONE a cover that contained printed matter, used in Buenos Aires on 22/MAR/1890, VF! (Image)

GJ.315, 20P. Centenary of the 1810 Revolution, on fragment, VF quality, signed by Victor Kneitschel (Image)

Essay prepared by the "American Bank Note Co." of an unissued stamp for the issue "Argentina, land of promise", value of 15c. with view of a group of immigrants arriving in the country. Printed on thin paper glued to card, excellent quality, rare! (Image)

GJ.796BI, 10c. Rivadavia diagonal bisect used as 5c. on a cover used in Buenos Aires on 1/JUL/1940, with some minor defects but extremely rare (only 3 known!!) (Image)

GJ.812P, 1P. Map without watermark, IMPERFORATE block of 4, MNH (+30%), VF quality! (Image)

VERY RARE gift book of Argentine Post with 16 color proofs of the 1938 Sarmiento issue (GJ.818/21), it contains 4 proofs of each value printed in green, red, blue and orange on glazed card, overprinted "ENSAYO", extremely scarce. A handfull of these books are known, great rarity! (Image)

GJ.987/992 + HB 14, 1950 EFIRA Exhibition, PROOFS of the set of 6 values + souvenir sheet, the stamps in imperforate blocks of 4, all in colors different from the adopted ones, very fine quality! (Image)

GJ.1067, 1956 4.40P. "First Argentine stamp (Juan Pujol)" franking ALONE a registered NON-PHILATELIC cover used in B.Aires on 26/OC/1956 and returned to sender. With its original content, printed letter of the "Movimiento de Intrasigencia y Renovación de la Unión Cívica Radical" with a poll to nominate the candidate for vice-president of Argentina in the following elections, very fine quality, rare! (Image)

GJ.1169 + other values, 1960 May Revoluction 150 years, 4 values of the set on a card with special postmark of 31/DE/1960 (closing festival) and signatures of 5 distinguished visitors: Prince Bernhard of the Netherlands, Luis Arcaya (Chancellor of Venezuela), Germán Tea, Luis Santiago Sanz, and Victor Paz Estensoro (president of Bolivia), VF quality, unusual! (Image)

GJ.1310aCA, 20P. San Martín, marginal vertical pair, the top stamp almost completely unprinted, excellent quality! (Image)

GJ.1780A + 1780, EXTREMELY RARE END-OF-ROLL example joining fluorescent unsurfaced paper (rare, and of high value) with chalky paper, very few known, excellent! (Image)

GJ.1849a, 200P. Flag memorial, strip of 4, the second stamp LIGHT BLUE COLOR OMITTED, the variety is partially present in the 3rd stamp, very rare, only 10 similar copies in existence. This variety will be included in the next edition of the GJ catalog with a value of US$350 (Image)

GJ.4284P/5P, 2019 Congress on Spanish language (Jorge Luis Borges), block with 4 sets, the left ones IMPERFORATE, excellent quality and extremely rare variety. It was found recently, there are only 10 sets in existence, it will be included in the next edition of the GJ catalog with a value of US$250 each set of 2 imperforate values (Image)