"Take a trip to Mar del Plata", unused, without gum, VF (Image)

GJ.7, 5c. carmine-rose, with accent, on small fragment with Mendoza cancel, VF quality (Image)

GJ.12A, 5c. purple-rose, without accent, semi-worn plate, tied on small fragment by Buenos Aires datestamp, very nice example with 4 wide margins (Image)

GJ.41, 15c. San Martín, groundwork of horizontal lines, unused and without gum, VF (Image)

GJ.53, 2c. Vicente López, VF (Image)

GJ.56, 25c. Alvear, average quality, low start (Image)

GJ.99, 1c. Vélez Sarsfield, with Globes wmk, MNH, VF (Image)

GJ.105, 5c. Rivadavia, type I, block of 4, VF (Image)

GJ.137/41 + 137A, ½c, 1c, 2c, 3c and 5c. Rivadavia, small sun wmk, perf 11½, including the ½c. bright ultramarine, VF (Image)

GJ.145, 16c. Belgrano, small sun wmk, perf 11½, VF (Image)

GJ.148 + 150/1 + 203, 1P, 1.20P, 2P (black and red overprint) and 5P. San Martín, with MUESTRA overprint, the 1.20P and 2P (red overprint) with original gum, VF (Image)

GJ.151, 5P. San Martín, small sun wmk, perf 11½, superb! (Image)

GJ.151MU, 5P. San Martín, small sun wmk, perf 11½, with "MUESTRA" ovpt., unused, without gum, VF (Image)

GJ.183O + 187O + 188O + 189O, 30c. Belgrano, 1.20P, 2P and 5P. San Martín, large sun wmk, perf 11½, with punch hole, VF (Image)

GJ.186, 1P. San Martín, large sun wmk, perf 11½, VF (Image)

GJ.189, 5P. San Martín, large sun wmk, perf 11½, used, VF (Image)

GJ.230, 24c. Seated Liberty, block of 4, VF quality (Image)

GJ.250, 16c. Seated Liberty, perf 12¼, block of 4, VF quality (Image)

GJ.286, 30c. San Martín, perf 13¼x12½, VF (Image)

GJ.312, 1P. Centenary of 1810 Revolution, unused, VF (Image)

GJ.326, 50c. Plowman, wavy rays wmk, in block of 4, VF (Image)

GJ.361, 10P. Plowman, unused, without gum, VF (Image)

GJ.445, 3c. San Martín, horiz honeycomb wmk, perf 13¼, VF (Image)

GJ.452, 1P. San Martín, horizontal honeycomb wmk, pair, with perfed numbers (date), VF (Image)

GJ.477, 1c. San Martín, Serra Bond wmk, MNH, VF (Image)