GJ.38, 5c. Rivadavia, groundwork of crossed lines, VF (Image)

GJ.44, 90c. Saavedra, VF quality (Image)

GJ.54B, 8c. Rivadavia, type II, carmine, VF (Image)

GJ.83, 3c. Juárez Celman, VF (Image)

GJ.91, 30c. Dorrego, with "MUESTRA" ovpt., VF (Image)

GJ.91, 30c. Dorrego, unused, without gum, VF (Image)

GJ.236, 5P. Seated Liberty, unused, without gum, VF (Image)

GJ.337, ½c. Plowman, German paper with vertical honeycomb wmk, perf 13¼x12½, block of 4, one partially imperforate variety due to pre-perforating foldover, VF (Image)

GJ.359, 1P. Plowman, unused, without gum, VF (Image)

GJ.360, 5P. Plowman, horizontal honeycomb wmk, MNH (Image)

GJ.477, 1c. San Martín, block of 4, 2 with Serra Bond wmk, VF (Image)

GJ.480, 1c. San Martín, block of 4, 2 with Wheatley Bond wmk, VF (Image)

GJ.482, 3c. San Martín, block of 4, 2 with Wheatley Bond wmk, one of them MNH, VF (Image)

GJ.496, 3c. San Martín, multiple suns wmk, perf 13¼x12½, block of 4 with small perforation variety (the left stamps are a little narrower), VF (Image)

GJ.506, 12c. San Martín, multiple suns wmk, block of 4 (2 MNH), VF quality (Image)

GJ.520/3, Centenary of Belgrano, cmpl. set of 4 values, VF (Image)

GJ.567, 5c. San Martín with period, block of 4 with perforation variety (the right stamps are much wider, they appear to be labels!), VF quality, very rare! (Image)

GJ.587O, 5P. San Martín, round sun wmk, with perforated number (date), VF quality (Image)

GJ.598, 4c. San Martín w/o period, block of 4 with perforation variety (the left stamps are MUCH WIDER, they appear to be labels!), VF quality (Image)

GJ.599EV, 5c. San Martín w/o period, block of 4 with vertical gutter, VF (Image)

GJ.605, 30c. San Martín w/o period, VF quality (Image)

GJ.611/20, San Martín w/o period, printed on ribbed paper, cmpl. set of 10, VF (Image)

GJ.629c, 5c. San Martín, AP watermark, "with period" variety, VF (Image)

GJ.636/54, airmail, Sobretasa, cmpl. set of 19 values, used, mixed quality, some with small defects, low start (Image)

GJ.655/6, Centenary of Argentina-Brazil Peace, cmpl. set of 2 values in blocks of 4 with "MUESTRA" ovpt., VF (Image)