GJ.38, franking a letter with postmark of Buenos Aires 27/AU1871, a part of the letter that had defects was cut out (Image)

GJ.38, with cancel of "ESTAFETA de PILICIAO" (Catamarca) in single circle, rare! (Image)

GJ.47, 8c on 10c. (Image)

GJ.51, perforated "PAGADO", VF (Image)

GJ.54, block of 4 used in Rosario on 28/AP/1890 (Image)

GJ.54 + 105, with cancels of ZÁRATE (Buenos Aires), one with minor defects. (Image)

GJ.54A, franking a cover sent from Paraná (Entre Rios) to Germany on 27/NO/1890, on back Buenos Aires transit mark of 29/NO and arrival, stained (Image)

GJ.58, ½c on 5c., MNH (Image)

GJ.80, with VARIETY: Apostrophe after "medio", small thin on back, VF front (Image)

GJ.84, with VARIETY: stamp wider than normal, thin on back (Image)

GJ.113, with cancel of CONCEPCIÓN del URUGUAY (Entre Ríos), VF! (Image)

GJ.116, with "MUESTRA" ovpt. removed, defects (Image)

GJ.130, 50c., perf 12 x 11½ (Image)

GJ.142, PROOF printed on thin paper with small sun wmk, perf 11½, in brown (1958 Kneitschel, volume II NOT listed), lightly hinged, excellent (Image)

GJ.148 + 151, both with river mail cancel ("Estafeta Fluvial"), VF (Image)

GJ.194, large sun wmk, perf 12, 2 blocks of 4 with cancels of "MORON" and "QUILMES" (Image)

GJ.200, 50c. large sun wmk, perf 12 (Image)

GJ.229, lightly hinged (Image)

GJ.316c, pair, one with VARIETY: "5" with straight shoulder (pos.16) (Image)

GJ.321, block of 80 with sheet margins and number, several stamps with offset impression on back, very attractive VARIETY, most are MNH (Image)

GJ.330a, without watermark, sheet corner (Image)

GJ.342, pair with offset impression on back (Image)

GJ.401, with sheet corner and number (Image)

GJ.403, corner block of 4, one with VARIETY: Hole in the floor (Image)

GJ.403, block of 4 with offset impression on back (Image)