GJ.36, 4c. Moreno, pen cancelled, rare! (Image)

GJ.37, 5c. Rivadavia, groundwork of horizontal lines, with mute 'ellipse of 9 bars' cancel of Corrientes, VF quality (Image)

GJ.39, 10c. Belgrano, VF (Image)

GJ.45, 1c. on 5c. provisional, used, VF quality (Image)

GJ.50, 16c. Belgrano, rouletted, used block of 6, VF (Image)

GJ.51, 20c. Vélez Sarsfield, rouletted, with MUESTRA ovpt., unused, without gum, VF (Image)

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

GJ.61b, ½c. Little Envelope, marginal block of 4, 2 with variety: 8th pearl at left deformed, VF (Image)

GJ.83, 3c. Juárez Celman, with MUESTRA ovpt., VF (Image)

GJ.84 + 85, 5c. Rivadavia, large and small neck, used, VF (Image)

GJ.87, 10c. Avellaneda, with MUESTRA ovpt., unused, without gum, VF (Image)

GJ.87, 10c. Avellaneda, with perforation variety, used, VF (Image)

GJ.97, ½c. Urquiza, pair used on a unsealed letter sent from La Plata to Tandil on 13/JA/1891 by the Consejo Superior de Higiene, fine quality (Image)

GJ.106, 5c. Rivadavia, type II, marginal block of 8, used, VF (Image)

25c. (unissued), die proof, blue, on glazed paper, VF (Image)

30c. (unissued), die proof, grayish blue, on glazed paper, VF (Image)

GJ.125, 5c. Bernardino Rivadavia, type I, perf 11½ x 12, used block of 4, VF quality (Image)

GJ.129, 12c. Alberdi, perf 11½ x 12, used block of 4, VF quality (Image)

GJ.140, 3c. Rivadavia, small sun wmk, perf 11½, with "MUESTRA" ovpt., VF (Image)

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

GJ.146, 24c. Belgrano, pair, proof in green printed on thin transparent paper, ungummed, VF quality (Image)

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

GJ.182, 24c. Belgrano, large sun wmk, perf 11½, VF (Image)

GJ.187O, 1.20P. San Martín, large sun wmk, perf 11½, with circle punch cancel, VF (Image)

GJ.221, 4c. Seated Liberty, in used block of 4, VF (Image)