GJ.235/8, Seated Liberty, high values of the set, used, VF quality (Image)

GJ.296a, 15c. San Martín, "without inscription" variety, unused, without gum, VF quality (Image)

GJ.299O, 1P. San Martín, corner block of 4, perforated INUTILIZADO, VF quality (Image)

GJ.449, 24c. San Martín, horiz honeycomb wmk, used, VF quality (Image)

GJ.453, 5P. San Martín, horiz honeycomb wmk, used, VF quality (Image)

GJ.481, 2c. San Martín, Wheatley Bond wmk, used pair, VF quality (Image)

GJ.508, 30c. San Martín, multiple suns wmk, used, VF quality (Image)

GJ.613, 2c. San Martín without period after value, on ribbed paper, tiny defect, excellent appearance, low start (Image)

GJ.698, 30c. 1st Anniversary of the 1930 Revolution, small S overprint, unused, without gum, VF quality (Image)

GJ.723/5, Congress of Cold Techniques, cmpl. set of 3 values, used, VF quality (Image)

GJ.765A, 20P. Cotton, bluish green and chestnut, MNH, VF quality (Image)

GJ.774A, 10c. Rivadavia, rounded collar, national unsurfaced paper, pair, one with vertical line watermark, some stain spots (Image)

GJ.795CB, 5c. Moreno, typographed, imported unsurfaced paper, pair with white label and sheet margin at left, VF quality (Image)

GJ.795EV, 5c. Moreno, typographed, unsurfaced paper, horizontal gutter pair, VF quality (Image)

GJ.796F, 10c. Rivadavia, forgery to defraud the postal authorities, VF quality (Image)

GJ.800EV, 5c. Moreno, typographed, chalky paper, horizontal gutter pair, VF quality (Image)

GJ.800T, 5c. Moreno, typographed, chalky paper, tete-beche, unused, without gum, VF (Image)

GJ.800TH, 5c. Moreno, typographed, chalky paper, tete-beche with horizontal gutter, used, VF quality (Image)

GJ.818, Sarmiento 50th anniversary, cmpl. set of 4 values, used, VF quality (Image)

GJ.847, 1P. airmail, 9 different trial color proofs, on glazed paper, VF quality (Image)

GJ.871a, 5c. San Martín, imported unsurfaced paper, block of 4, one with variety: Curl on the forehead, VF quality (Image)

GJ.935/9, 1st Anniversary of 17 October 1945, cmpl. set of 5 values, used, VF quality (Image)

GJ.942, 5c. Argentina-Brazil bridge, offset impression on back, block of 4, VF (Image)

GJ.949P, 5c. Frigate Presidente Sarmiento, imperf block of 4, sheet margin, VF quality (Image)

GJ.1000Z, 1951 Juan Perón, unissued essay, imperforate, with sheet corner, printed in olive green on medium glazed paper with round sun wmk, VF (Image)