GJ.1d, 5c. red with variety "double period after the 5", on large part of a folded cover, with "FRANCA" cancel of Río Cuarto (+300%) perfectly applied, excellent quality, rare, signed by Alberto Solari (Image)

GJ.35A, block of 4 with cancels: circular datestamp of Buenos Aires and rectangular of MAGDALENA well applied in the center (complete), one stamp with minor defect, else superb, very rare! (Image)

VERY LATE USE AND RARE CANCELLATION: Cover franked with 8c. (2x GJ.36) and cancelled "ESTn. CHABÁS" (Santa Fe), sent to Switzerland on 22/JA/1891!, on back it bears transit marks of Rosario and Zürich, and Wiedikon arrival for 23/FE, excellent quality, rare! (Image)

RARE CANCEL: GJ.38 with "ESTAFETA AMBULANTE Fro Cil OESTE" cancel in blue, perfecly applied, excellent quality, rare! (Image)

Long entire letter sent from B.Aires to Curuzú Cuatiá on 15/JA/1869 with 5c. postage (GJ.38), very fine quality! (Image)

GJ.44, 1967 90c. Saavedra, block of 6 postally used, VF quality, rare! (Image)

GJ.44, 1867 90c. Saavedra, block of 4 (2 stamps MNH!) with MUESTRA overprint, excellent quality, rare! (Image)

GJ.50, 16c. Belgrano rouletted, franking a cover sent from SAN NICOLÁS to France on 25/JUL/1879, on back transit marks of Buenos Aires and Bordeaux arrival, very fine quality! (Image)

GJ.53, 1877 2c. Vicente López, pair with top sheet margin with impression of the "National Bank Note Co. - New York", VF quality! (Image)

GJ.55, 1877 24c. San Martín, pair with carmine "SPECIMEN" overprint and both stamps with punch cancel, VF quality! (Image)

GJ.71c + 71, 1884 block of 4 of ½c on 15c. black overprint, the bottom stamps with VARIETY: "Without ½", mint with gum, 2 stamps (one with variety and one normal) have a small thin, the front is excellent, very rare block! (Image)

GJ.76n, 1884 provisional of 4c. with INVERTED OVERPRINT, beautiful strip of 3, mint with full original gum, very fresh, impeccable, very rare! (Image)

GJ.91a, 1888 30c. Dorrego, large block of 25 with Expedición cancel (bulk mailing), one with "RETOUCH in the lined background, top left" (position 86), excellent quality, rare! (Image)

Cover sent from Buenos Aires to France on 25/FE/1891 with attractive franking of 6c. (2x GJ.105 + 6x GJ.99A, 1c. Vélez Sársfield WITH frame and background of horizontal lines), varied transit and arrival marks, minor defects, very attractive and unsual! (Image)

Cover (original letter included) sent from Buenos Aires to France on 10/JA/1892 franked with 12c. (6x GJ.102) including stamps in different shade (violet, dark violet and violet-blue), on back there are several transit and arrival marks, very attractive and unusual postage! The text of the letter is interesting, about an inheritance. (Image)

Cover sent to Buenos Aires on 28/OC/1890, franked with GJ.106 (5c. Rivadavia small head), with datestamp of MERLO, arrival backstamp, VF and scarce! (Image)

Cover sent from Buenos Aires to France on 8/AP/1891 franked with 8c. (GJ.108 + 102), varied transit and arrival marks, VF quality. The 6c. on cover is scarce! (Image)

GJ.119, 1889 50P. Deán Funes, proof in light red, large block of 39 stamps from the archive of the Compañía Sudamericana de Billetes de Banco, with hand-written inscription on back: "Nº5 - Muestra de color rojo (vajo, SIC) para las estampillas de 50 pesos. La parte ... está archivada, 20/12/90" and a signature, possibly the largest multiple of this proof, rare!! (Image)

GJ.133, 1890 ¼c. on 12c. Alberdi, block of 10 (total 2½c.) franking a cover used in Buenos Aires on 26/JUL/1890, excellent quality! (Image)

GJ.135/136, 1892 Discovery of America 400 years, set of 2 values, die proofs printed on cardstock with the decree of the issue, VF quality! (Image)

GJ.137 + other values, 1892 and 1896 Rivadavia Belgrano & San Martín with MUESTRA ovpt., album page with 24 stamps, complete basic set + other examples (double ovpt., color variety, etc.), very attractive! (Image)

GJ.137 and others, 1892 to 1897, Rivadavia Belgrano and San Martín, the set of 16 values with MUESTRA overprint, VF! (Image)

GJ.148, 1892 1P. San Martín, 7 different COLOR PROOFS printed on card, VF quality! (Image)

GJ.150 + 151, 1892 2P and 5P. San Martín, 12 different COLOR PROOFS printed on card, VF quality! (Image)

GJ.162, 1892 2P. San Martín with "small sun" watermark and PERF 12, mint, very fine quality, very rare! (Image)