GJ.35 + 35A, Balcarce 1c. in purple and violet, mint no gum, VF quality (Image)

GJ.50, 16c. Belgrano, rouletted, VF quality (Image)

GJ.53 + 53A, 2c. Vicente López, size 19.9 x 24.9 mm and 19.8 x 25.3 mm, unused blocks of 4, without gum, VF (Image)

GJ.55, 24c. San Martín, VF quality, signed by Kneitschel on back (Image)

GJ.56, 25c. Alvear, VF quality (Image)

GJ.56, Alvear 25c., with MUESTRA overprint, VF quality (Image)

GJ.57, ½c. on 5c. provisional, small P, perforated across middle of the stamp, marginal block of 16 stamps, with stain spots, good front, fantastic! (Image)

GJ.59a, ½c. on 5c. provisional, with variety: "PROVISORIO" at top and shifted overprint, marginal pair, VF quality (Image)

GJ.59h, ½c. on 5c. provisional, pair with varieties: Double overprint, one diagonal and shifted, the pair was torn and glued to a support paper, this probably occured during printing because the support paper is that of a proof! (Image)

GJ.65, 12c. Little Envelope, perf 14¼, unused and without gum, small thin on back, very good front, low start! (Image)

GJ.77/79 + 79A, Little Envelope, printed by the American Bank Note Company, complete set, including the 12c. in ultramarine blue and green-blue, VF quality (Image)

GJ.79, 12c. Little Envelope, VF quality (Image)

GJ.80, ½c. Urquiza, pair with perforation variety (one stamp is wider than normal), VF quality (Image)

GJ.85, 5c. Rivadavia, small collar, 3 examples with defects, 2 with original gum (Image)

GJ.87, Nicolás Avellaneda 10c., Kidd issue, VF quality (Image)

GJ.87, 10c. Avellaneda, 2 examples printed in different shades and sizes, fine quality (Image)

GJ.88, San Martín 15c., Kidd issue, VF quality (Image)

GJ.90, 25c. Belgrano, unused, without gum, one perforation broken (Image)

GJ.93, 50c. Mitre, broken at top, with a thin on back, catatalog value US$350, good opportunity! (Image)

GJ.100, 1c. Vélez Sarsfield, with Stiller & Laas wmk (with part of the "B" of "BUENOS AIRES" in the left border), VF quality (Image)

GJ.103, Sudamericana issue 3c., unwatermarked, perf 11½, VF quality (Image)

GJ.105, Rivadavia 5c. type I (Sudamericana issue), IMPERFORATE, used, VF quality (Image)

GJ.110, 10c. Avellaneda, beautiful corner block of 36, the pearls between the vignette and the frame worn, almost invisible, VF quality (Image)

GJ.111, Sudamericana issue 12c., perf 11½, VF quality (Image)

GJ.111, 12c. Alberdi, 2 examples from different printings in blocks of 4, unused, without gum, VF quality (Image)