GJ.16, 5c. rose-red, clear impression, beautiful example of wide margins on fragment with OM cancel, superb! (Image)

GJ.19, 1st printing, very clear impression, with 3 strikes of OM cancel, superb! (Image)

GJ.19, 2nd printing, very worn impression, handsome pair used in Rosario on 17/DE/1864, one stamp with tiny thin on back, almost insignificant considering the great beauty of its front! (Image)

GJ.19, 2nd printing, worn impression, splendid example on fragment, with Rosario cancel of 21/JUN/1864, superb! (Image)

GJ.19, 1st or 2nd printing, superb example! (Image)

GJ.19, 2nd printing, worn impression, used, absolutely superb! (Image)

GJ.19b, fantastic corner single (position 10) with top and right sheet margins (very rare!), and PARTIAL DOUBLE IMPRESSION very notable on the right half, lightly cancelled, superb! (Image)

GJ.19n, 1st printing perforated, with VARIETY: "Bottom left angle empty" (position 31), VF! (Image)

GJ.20, 3rd printing, with TRIPLE cancellation: French octagonal + dotted cancel + rimless datestamp, superb, rare! (Image)

GJ.20, 3rd printing, with VARIETY: incomplete impression at bottom left, very interesting, superb! (Image)

GJ.20, 3rd printing, clear impression, with SEVERAL PAPER FOLDS and vertical line watermark (at right), franking a long entire letter sent from Rosario to San Pedro on 7/FE/1865, very nice! (Image)

GJ.20j, 3rd printing, mulatto, superb example! (Image)

GJ.21, 10c. clear impression, used, very fine quality! (Image)

GJ.23, 10c. worn impression, intense bluish green color, with double cancellation (Buenos Aires + Rosario), excellent! (Image)

GJ.23, 10c. green, worn impression, excellent! (Image)

GJ.23, with variety: "small dark green spot on the left shoulder", superb! (Image)

GJ.23SD+d, fantastic combination of VARIETIES: very thin paper (80 microns) + 2 notable paper folds + IMPERFORATE (it missed the perforating machine), superb, very rare! (Image)

GJ.25, 4th printing, with VARIETY: very shifted watermark, on front it reads "AR" instead of "RA", very fine quality! (Image)

GJ.25, 4th printing, dark rose, beautiful pair used in Buenos Aires on 16/FE/1866, VF! (Image)

GJ.25, typical example of 4th printing with line watermark (bottom sheet margin), superb! (Image)

GJ.25f, 4th printing, nice redcurrant rose color, lightly mulatto, thin paper, superb! (Image)

GJ.25f, very thin paper, with line watermark, superb! (Image)

GJ.25Ba, 4th printing, LILAC-ROSE and MULATTO, also THIN PAPER and with very worn impression (rare), with blue rimless datestamp of PARANÁ for 30/MAY/1866, excellent! (Image)

GJ.26b, with partial double impression variety, used in Catamarca, absolutely superb! (Image)

GJ.26A, 5th printing, in the rare LILAC-CARMINE color, excellent quality, very scarce! (Image)