GJ.16, 5c. 1st printing IMPERFORATE, huge margins, with repaired defect, fine appearance, good opportunity! Catalog value US$300 (Image)

GJ.19, 1st or 2nd printing, superb example! Catalog value US$30 (Image)

GJ.19, 1st printing, clear impression, fantastic stamp with all its perforations, line watermark (left sheet margin), OM cancel, very fresh, excellent quality, superb! Catalog value US$30 (Image)

GJ.19, 1st or 2nd printing, worn impression, rose-red, lightly cancelled, very fresh, excellent! Catalog value US$30 (Image)

GJ.19, 1st or 2nd printing, used in Rosario, VF, catalog value US$30 (Image)

GJ.19, 1st or 2nd printing, rejoint pair with cancel of Rosario, excellent quality! Catalog value US$60+ (Image)

GJ.19, 1st printing, clear impression, thick paper, with double ellipse SAN LUIS cancel, excellent quality, catalog value US$30+ (Image)

GJ.19, 1st printing, very clear impression, excellent quality! Catalog value US$30 (Image)

GJ.19, 1st printing, red-rose, with horizontal line watermark (from the bottom sheet border) with mute cancel of GUALEGUAY, excellent quality, catalog value US$30 (Image)

GJ.19, 1st or 2nd printing, with rimless datestamp of B.Aires, superb example! Catalog value US$30 (Image)

GJ.19, 1st printing, clear impression, spectacular example with blue cancel of PASO DE LOS LIBRES, tiny thin on back (little importance), superb front! Catalog value US$30+ (Image)

GJ.19, 1st printing, clear impression, with horseshoe "CORDOBA-FRANCA" cancel, very fine quality! Catalog value US$30 (Image)

GJ.19, 2nd printing, dull impression, with horseshoe "CORDOBA-FRANCA" cancel, superb! Catalog value US$30 (Image)

GJ.19, 1st or 2nd printing, clear impression, with mute dotted cancel of B.Aires, superb, catalog value US$30 (Image)

GJ.19, 2nd printing, worn impression, used in Córdoba, fantastic example with all its perforations, very fresh, in beautiful characteristic color, with tiny and almost invisible thin on back (mentioned only for the sake of accuracy, but insignificant), excellent! Catalog value US$30 (Image)

GJ.19e, 1st printing, VERY THIN PAPER variety, also line watermark (left sheet margin), with mute dotted cancel of B.Aires, VF quality! Catalog value US$36 (Image)

GJ.19e, 1st or 2nd printing, on THIN PAPER, blue OM cancel, excellent quality! Catalog value US$36 (Image)

GJ.19N, 1st printing, rose-red, ABSOLUTELY CLEAR impression, superb, very handsome, very rare! Catalog value US$120 (Image)

GJ.19N, 1st printing perforated, ABSOLUTELY CLEAR impression, with pen cancel of Corrientes, very fine quality! Catalog value US$120 (Image)

GJ.19, 3rd printing, with double ellipse CATAMARCA cancel, excellent! Catalog value US$20 +50% (Image)

GJ.19, 3rd printing, with double oval BARADERO cancel (+300%), VF and rare. Catalog value US$20 +300% (Image)

GJ.20, typical example of 3rd printing, with mute "oval of bars" cancel, excellent quality. Catalog value US$20 (Image)

GJ.20, 3rd printing, on inky paper due to effect of the brown gum, almost illegible, used in Córdoba, excellent quality! Estimated market value US$50 (Image)

GJ.20, typica example of 3rd printing, coffee color, with mute cancel of PARANÁ (+30%), excellent. Catalog value US$20 +30% (Image)

GJ.20, 3rd printing, withe blue ellipse CONCORDIA cancel, VF! Catalog value US$20 (Image)