GJ.19, 1st or 2nd printing, double cancellation: manuscript "1864" and almost complete datestamp of Buenos Aires 27/NO67 in INDIGO BLUE, extremely rare in this color, superb! (Image)

GJ.20, 3rd printing with the extremely rare mute framed dotted cancel of CÓRDOBA, very nice and scarce! (Image)

GJ.20, 3rd printing, with triple cancellation: Blue datestamp and 2 mute killers, possibly foreign, interesting and rare! (Image)

GJ.20, 3rd printing, superb example with all its teeth and beautiful color, franking a folded cover dated 23/OC/1865, with mute cancel of LA PAZ (+150%) perfectly applied, superb!! (Image)

GJ.20d, 3rd printing, orange, dirty plate variety, absolutely superb example on a folded cover sent to Mendoza, with double ellipse SAN LUIS cancel in black (+75%), excellent! (Image)

GJ.20, 3rd printing, with notable paper fold, mint, superb, rare! (Image)

GJ.25n, 4th printing with CRACKED PLATE variety (position 40), "craquelé" impression typical of the last stages, excellent quality! (Image)

GJ.25n, 4th printing with CRACKED PLATE variety (position 40), "craquelé" and very worn impression, one of the last printed sheets, superb and rare! (Image)

GJ.25Ba, 4th printing, lilac-rose and mulatto, jumbo size, absolutely superb! (Image)

GJ.25Ba, 4th printing, in the rare INTENSE lilac-rose, also mulatto, used in San Juan, superb, very scarce! (Image)

GJ.27, 6th printing imperforate, with 2 immense margins, catalog value US$250, low start! (Image)

GJ.32, 7th printing imperf, fantastic example in incredible carminish rose color and very neat impression, wide margins, on fragment with framed straightline CORDOBA cancel, exceptionally superb. Signed by Calves, Enzo Diena and Bolaffi. (Image)