RARE VARIETY: GJ.1240, block of 4, the top stamps with normal overprint, and the bottom stamps with THIN OVERPRINT (very different!!), MNH, rare!! (Image)

GJ.1418, 1967 First airmail (airplane), PROOFS printed on the paper used for the issue (with gum and watermarked), 4 different colors, excellent quality, rare group! (Image)

GJ.11A, IN Ps. dark blue, type 29 on the Kneitschel reconstruction, pen cancelled, with a small tear in the right margin that is not noticeable on front, huge margins (rare), superb appearance! (Image)

GJ.11B, IN Ps. slate blue, mint, beautiful example of 4 margins (2 immense!), nice color, very fresh, excellent! (Image)

GJ.17, 1P. dark blue, semi-clear impression, superb example with rare rococo cancel to be determined! (Image)

Photographic proof of an unadopted design for a 5c. Christmas cinderella to collect funds for postal staff, illustrated with nest of hornero bird on a telegraph post, minor defect but very rare! (Image)

Nahuel Huapi National Park, beautiful old block of 10 cinderellas with views of the Park and the lakes, pistes., etc., VF quality, rare! (Image)

Cover (letter included) posted in Ushuaia on 6/OC/1931 to the Commander of the Navy gunboat "Libertad". It was sent by the priest inviting the Commander to be godfather of the Altar that he had donated to the church, interesting! (Image)

Larrechea Hnos. & Cía, Rosario, beautiful cinderella with view of cattle, circa 1900, block of 4 mint without gum, minor faults, rare! (Image)

GJ.1, used in Rosario, very fine quality, signed by Alberto Solari on back (Image)

GJ.2, 10c. green, tied on fragment by ROSARIO-FRANCA ellipse, VF quality, signed by Alberto Solari on back (Image)

GJ.3, 15c. blue, tied on small fragment by FRANCA cancel of Concordia, signed by Alberto Solari, very fine quality, rare! (Image)

GJ.11, lilac rose, spectacular MNH block of 4 with full original gum (light hinge marks in the sheet margin, being MNH it has a 200% surcharge!), with a light vertical crease in the left stamps and the other 2 are absolutely superb, signed by Victor Kneitschel on back and with Alberto Solari certificate, good opportunity. Catalog value US$1,500 + 200% (MNH) = US$4,500 (Image)

GJ.8 + 7A, fragment of a registered cover sent from Rosario to Buenos Aires, franked by GJ.8 (10c. with accent) + 2x GJ.7A (5c. with accent, salmon rose, one in a lighter color that could have been cleaned), with several cancels in blue, with Alberto Solari certificate, rare and handsome! (Image)

GJ.36 + 98A, rare combination of Moreno 4c. + 1c. Velez Sársfield of the Sudamericana issue to pay the 5c. postage of a cover sent from Paraná to Buenos Aires on 14/FE/1891, VF quality! (Image)

GJ.38, on fragment with spectacular rococo cancel of ANDALGALA, excellent and rare, low start! (Image)

GJ.38, on folded cover with GUALEGUAYCHU cancel with Maltese cross of 19/DE/1869, VF quality! (Image)

GJ.84, 1888 Rivadavia 5c. with sheet margin with printer imprint, franking a cover front sent from Buenos Aires to San Juan on 4/AP/1889, VF! (Image)

GJ.97AP, 1889 ½c. Urquiza, IMPERFORATE PAIR, excellent! (Image)

GJ.98P, 1889 1c. Velez Sarsfield, IMPERFORATE PAIR, excellent! (Image)

GJ.99, 1889 1c. Vélez Sársfield with very visible Globes WATERMARK (it covers large part of the stamp), VF quality! (Image)

GJ.102APV, 1889 2c. Derqui, PAIR IMPERFORATE VERTICALLY, excellent! (Image)

GJ.107P, 1889 5c. Rivadavia large head, IMPERFORATE PAIR, MNH (+50%), excellent! (Image)

GJ.110PH, 1889 10c. Avellaneda, vertical PAIR IMPERFORATE BETWEEN, superb! (Image)

GJ.135/6, 1892 Discovery of America 400 years, 3 cmpl. sets franking a registered cover sent from CÓRDOBA to San Nicolás on the first day of issue (12/OC/1892), VF and very attractive! (Image)