GJ.10a, ½c. Little Envelope, with inverted overprint var., MNH (Image)

GJ.12, 1c. Little Envelope, perf 14, unused, without gum, VF (Image)

GJ.23a, 20c. Vélez Sarsfield, inverted overprint variety, small thin on back, good front, rare! (Image)

GJ.28a, 60c. Posadas, inverted overprint variety, with small adherence on the gum, excellent front, very fresy, rare! (Image)

GJ.39, 30c. Oficial, perf 11½, , unused block of 4, without gum, VF (Image)

GJ.70, 1c. San Martín, M.A. ovpt, block of 4, one with Wheatley Bond wmk, VF (Image)

GJ.138, 1c. Plowman, "M.G." ovpt., unwatermarked, VF quality (Image)

GJ.169, 2c. San Martín, M.G., round sun wmk, perf 13¼x12½, block of 4, VF (Image)

GJ.218a, 1c. Plowman, German paper, vertical honeycomb wmk, corner pair, one with varieth "H without period", unused, without gum, VF (Image)

GJ.244, 20c. San Martín, "M.H." ovpt., round sun wmk, VF quality (Image)

GJ.295, 5c. San Martín, M.I., vertical honeycomb wmk, perf 13¼x12½, block of 4, VF (Image)

GJ.360, 12c. Plowman, M.J.I. ovpt, on Italian paper with horiz honeycomb wmk, block of 4, VF (Image)

GJ.369 + 372, 5c. San Martín, "M.J.I." ovpt, vertical honeycomb wmk, perf 13¼x12½ and 13¼, VF quality (Image)

GJ.373, 12c. San Martín, M.J.I., horiz honeycomb wmk, used, VF (Image)

GJ.479/80, San Martín, M.M., round sun wmk, cmpl. set of 2 values, VF (Image)

GJ.500, 20c. San Martín w/o period, "M.M." ovpt, serif font, MNH (Image)

GJ.506a, 2c. Urquiza, M.M., pair with "M.M." and "M..M" ovpt., VF (Image)

GJ.556/8, San Martín, typographed, "M.O.P." ovpt, cmpl. set of 3 values, VF quality (Image)

GJ.558, 20c. San Martín, typographed, M.O.P., serif font, VF (Image)

GJ.606CD, 12c. San Martín without period after value, block of 4 with 2 labels at right, one stamp with variety: White spot over the cheek (Image)

GJ.700, 5, 10 and 20P. Eva Perón, VF quality (Image)

GJ.701, 10P. Eva Perón, printed on oily paper (along normal example for comparison), rare, MNH! (Image)

GJ.755a, 20P. San Martín, variety: Double impression of the stamp, with sheet margin, unused, without gum, VF (Image)

GJ.783, 15c. LADE airlines, Presidencia de la Nación, used, VF (Image)