GJ.4a, 4c. Moreno, variety: Double overprint (overlapping), unused, without gum, VF quality (Image)

GJ.5, 8c. Rivadavia, unused, without gum, VF (Image)

GJ.8, 24c. San Martín, unused, "O" of OFICIAL omitted, without gum, VF (Image)

GJ.10, ½c. Little Envelope, VF (Image)

GJ.13 + other values, 9 varied stamps issued in 1884, unused, one without gum, VF (Image)

GJ.19, 12c. Little Envelope, VF (Image)

GJ.23, 20c. Vélez Sarsfield, unused, without gum, VF (Image)

GJ.33A, 60c. Posadas, carmine-rose overprint, VF (Image)

No value (thick glazed paper), 5c. (on card), 10c. (2 colors, on card), 30c. (2 colors, on card) and 50c. (on card), trial color proofs, VF quality (Image)

GJ.39 + other values, 1c. perf 11½x12¼, and 2c, 5c, 10c, 30c and 50c. perf 11½, VF (Image)

GJ.39, 30c. Servicio Oficial, used, VF quality (Image)

GJ.50 + other values, Ministry of Agriculture, 60 different stamps, VF general quality (Image)

GJ.81a, 2c. San Martín with period after value, block of 4 with variety: Inverted overprint, unused, stained gum, very good front, very rare! (Image)

GJ.122 + other values, War Ministry, 20 different stamps, VF general quality (Image)

GJ.134, 1c. Plowman, M.G. overprint, Italian paper with horiz honeycomb wmk, used, VF (Image)

GJ.138, 1c. Plowman, M.G. overprint, without watermark, VF (Image)

GJ.149a, 12c. San Martín, horiz honeycomb wmk, block of 4, one with variety: "M" with 2 periods and "G" without period, unused and without gum, rare! (Image)

GJ.171b, 20c. San Martín, round sun wmk, with double overprint variety (one light), unused and without gum, VF (Image)

GJ.217 + other values, Ministry of Finance, 47 varied stamps, VF (Image)

GJ.258, 12c. San Martín w/o period, M.H. ovpt., printed on ribbed paper, VF (Image)

GJ.268, 30c. San Martín, M.H. ovpt., typographed, with variety: Offset impression of the overprint on back, VF (Image)

GJ.284 + other values, Ministry of the Interior, 43 varied stamps, VF (Image)

GJ.300, 5c. San Martín, M.I. ovpt., Serra Bond watermark, perf 13¼, VF (Image)

GJ.300, 5c. San Martín, M.I. overprint, Serra Bond wmk, perf 13¼, used, VF (Image)

GJ.302, 5c. San Martín, M.I. ovpt., multiple suns wmk, VF (Image)