GJ.17, 10c. green IMPERFORATE, very clear impression, immense margins (one stealing part of neighboring stamp), with rimless datestamp of PARANÁ 5/OC/1864, superb and very handsome example, very rare in such fine quality! (Image)

GJ.19, 1st printing, beautiful example franking a folded cover to Buenos Aires, with mute dotted cancel of San Nicolás perfectly applied, excellent! (Image)

GJ.19, 2nd printing, superb example franking a folded cover to San Luis, with ellipse MENDOZA-FRANCA cancel, VF quality! (Image)

GJ.19, 2nd printing, superb example franking a folded cover to Buenos Aires, with dotted cancel of SAN NICOLÁS, excellent quality, very attractive! (Image)

GJ.19, 1st printing, very clear impression, 3 examples (one with VARIETY: Large white spot above "EN" of CENTAVOS) franking a folded cover sent from PARANÁ to Buenos Aires on 28/JUL/1864, with ERROR in the cancel date (year missing the second figure), VF quality, spectacular! (Image)

GJ.19, 2nd printing, worn impression, absolutely superb example franking a folded cover sent from Buenos Aires to Corrientes on 18/DE/1864, exceptional quality! (Image)

Entire letter sent from RIO CUARTO to Rosario on 25/JUN/1865, franked with an absolutely superb example of 2nd printing (GJ.19), with FRANCA receiving cancel of Rosario perfectly applied, exceptional quality, rare! (Image)

GJ.19, 2nd printing, worn impression, superb copy franking a folded cover from Córdoba to Rosario, excellent! (Image)

GJ.19, 1st printing, clear impression, superb copy franking a folded cover sent from Buenos Aires to C. del Uruguay on 25/DE/1864, excellent quality! (Image)

GJ.20, superb example of 3rd printing franking a folded cover to Mercedes, with blue ellipse cancel of CONCORDIA, VF! (Image)

GJ.20, 3rd printing, absolutely superb example franking an entire letter from Buenos Aires to Montevideo on 2/SE/1865, excellent! (Image)

GJ.20, 3rd printing, franking an entire letter from Buenos Aires to Rosario on 19/SE/1865, very nice! (Image)

GJ.20, 3rd printing, superb example franking a folded cover sent from BUENOS AIRES to San Pedro in AP/1865, exceptional quality! (Image)

GJ.20, fantastic example of 3rd printing, franking an entire letter sent from Rosario to Buenos Aires on 24/AU/1865, superb! (Image)

FIRST DAY OF USAGE: Entire letter franked with 2 Rivadavias of 3rd printing (GJ.20), sent to Tucumán on 24/DE/1864, excellent and rare! With Alberto Solari certificate. (Image)

GJ.20j, exceptional example of 3rd printing, MULATTO, with defective impression (dirty plate), franking a folded cover sent to San Luis, with ellipse MENDOZA - FRANCA cancel, absolutely superb! (Image)

GJ.20j, 2 very clear and MULATTO examples of 3rd printing of extraordinary quality, franking a folded cover sent from ROSARIO to Goya on 25/NO/1865, excellent! (Image)

GJ.21, 10c. CLEAR impression, mint, with vertical line watermark at right (sheet margin), exceptionally perforated, very handsome, possibly the best example in existence! (Image)

GJ.21, 10c. clear impression, with rococo cancel of Tucumán, absolutely superb! (Image)

GJ.21, 10c. very clear impression, used in Rosario, absolutely superb! (Image)

GJ.21, 10c. clear impression, superb example! (Image)

GJ.21, rare example of 10c. with clear impression and plate wear, it has a small thin on back, insignificant given its rarity and excellent front! (Image)

GJ.21, 10c. very clear impression, superb example franking an entire letter sent from ESQUINA (Corrientes) to Buenos Aires on 27/JUL/1864, with typical pen cancel of origin, VF quality, rare, with Alberto Solari certificate. (Image)

GJ.21, 10c. clear impression, stamp of excellent quality franking a folded cover sent from Buenos Aires to Rosario on 3/FE/1866, VF quality! (Image)

GJ.22, 15c. blue, ABSOLUTELY CLEAR impression, with light strike of blue cancel, small thin on back, superb front! (Image)