GJ.19, 1st printing, lightly dirty plate, mint, very fine quality! (Image)

GJ.19, 1st or 2nd printing, with mute "oval of 14 bars" cancel of VICTORIA (+200%), very fine quality! (Image)

GJ.19g ++, paper RIBBED IN BOTH DIRECTIONS ("hessian"), very notable, used in Salta, superb example, very rare! (Image)

GJ.20, 3rd printing, in the extremely rare RED-ROSE color, superb, very few known examples! (Image)

GJ.20d, 3rd printing, VERY DIRTY PLATE variety (diagonally), very rare, superb! (Image)

GJ.20j, 3rd printing, MULATTO, beautiful pair of types 16 and 17 on plate A, franking a cover sent to Bella Vista, with double mute 'oval of 14 bars' cancel of VICTORIA (+200%), rare, with Alberto Solari certificate. NOTE: the stamps were lifted to have the letter expertized and then hinged back in place. (Image)

GJ.20jd, 3rd printing, with combined varieties: Mulatto and dirty plate diagonally, fantastic and absolutely superb, rare! (Image)

GJ.21, 10c. green, CLEAR impression, mint, superb! (Image)

GJ.21, 10c. clear impression, thin paper, with cloud cancel of SALTA, superb! (Image)

GJ.22, 15c. blue, VERY CLEAR impression, as clear as the first London essays, mint, VF quality, ver rare! (Image)

GJ.22, 15c. clear impression, the watermark shifted toward the top border, used in Mendoza, very fine quality! (Image)

GJ.23, splendid pair of 10c. worn impression, with mute cancel of Gualeguaychú, superb! (Image)

GJ.23, 10c. worn impression, dry (little ink) in the right half (with white spots), excellent! (Image)

GJ.23, 10c. worn impression, absolutely superb example on fragment with Buenos Aires cancel, excellent! (Image)

GJ.24, 15c. worn impression, with mute "10 bars" of Buenos Aires, VF! (Image)

GJ.24, 15c. dull impression, in handsome intense blue color, excellent quality! (Image)

GJ.24, 15c. blue, dull impression, on fragment used in Rosario, superb! (Image)

GJ.24c, 15c. light blue, INVERTED WATERMARK var., with rococo cancel of Jáchal, excellent quality, rare! (Image)

GJ.24d, 15c. light blue, rare vertically RIBBED paper, with partial OFFSET impression on back, and dotted 7x7 cancel of Buenos Aires, superb and rare! (Image)

GJ.25, 4th printing, beautiful example franking a folded cover to Rosario, with dotted 7x7 cancel along Buenos Aires datestamp of 21/JUN/1866, excellent! (Image)

GJ.26, 5th printing, mint, superb example! (Image)

GJ.26a, 5th printing, COMPLETE DOUBLE IMPRESSION variety, mint, very rare, VF quality! (Image)

GJ. 27, 6th printing imperforate, ample margins, VF quality! (Image)

GJ.32, 7th printing imperforate, fantastic example of wide margins franking a folded cover dated 29/AU/1867 with framed straightline CORDOBA cancel, to Buenos Aires, superb! (Image)