6c, 5c. imperforate, THIN PAPER variety, wide margins, an example of premium quality, very rare! (Image)

GJ.19, 1st or 2nd printing, mint full original gum (+300%), lightly hinged, very fresh, superb example! (Image)

GJ.19, 1st or 2nd printing, nice pen cancel, superb! (Image)

GJ.19, pen cancelled in CURUZÚ CUATIÁ, very rare, superb! (Image)

GJ.19, 1st or 2nd printing, on fragment used in Mendoza, superb! (Image)

GJ.19, 1st or 2nd printing, fantastic example on fragment with rimless datestamp of PARANÁ in blue, superb! (Image)

GJ.19a, 1st printing, with very notable COMPLETE DOUBLE IMPRESSION var., very rare in this printing, also a paper fold, used in San Juan, superb! (Image)

GJ.19c, 1st printing, clear impression, INVERTED WATERMARK (inverted and reversed), also with 2 paper folds, absolutely superb example, the best in existence! (Image)

GJ.19e, 2nd printing, THIN PAPER variety, superb! (Image)

GJ.19k, 2nd printing, with "lower right angle incomplete" variety (position 48), VF quality! (Image)

GJ.19, 1st or 2nd printing, with VARIETY: top frame line incomplete, excellent! (Image)

GJ.19, with variety: Extraordinary vertical paper fold, fantastic, very rare, very fine quality! (Image)

GJ.19, 1st or 2nd printing, position 53 on plate A, with DOUBLE PERFORATION in lower margin, franking a folded cover to Tucumán with cloud SALTA cancel, excellent and rare! Known Rivadavias with double perforation are few! (Image)

GJ.20, fantastic mint example, very good color, superb! (Image)

GJ.20, 3rd printing, with the extremely rare pen cancel FRANCA of Famatina, excellent quality! (Image)

GJ.20, 3rd printing, with variety: lightly dirty plate (vertically), used in Concordia, superb! (Image)

GJ.20, 3rd printing, orangish dun color, clear impression, with CATAMARCA cancel in double oval, VF quality! (Image)

GJ.20, 3rd printing, with blue cancel of SAN ANDRÉS DE GILES, very fine quality! (Image)

GJ.20, 3rd printing, with DRY IMPRESSION var. (little ink at left), used in Rosario on 21/MAR/1865, superb! (Image)

GJ.20c, 3rd printing, INVERTED WATERMARK variety, and thin paper, superb and very rare! (Image)

GJ.20d, 3rd printing, diagonally DIRTY PLATE variey and also lightly mulatto, franking an entire letter sent from Rosario to Buenos Aires on 23/AU/1865, VF quality. These varieties on cover are rare! (Image)

Nice combination of varieties: GJ.20g + j, 3rd printing, on VERY THIN PAPER (translucent) and MULATTO, used in Rosario on 1/FE/1866, superb and rare! (Image)

GJ.20j, 3rd printing, MULATTO, and line watermark (top sheet margin), superb! (Image)

GJ.20j, 3rd printing, mulatto, sienna color, with the paper completly tinted and dark by the brownish gum, 2 examples (1 with line watermark) on fragment with datestamp of Buenos Aires for 13/JUN/1865, superb and rare! (Image)

GJ.20j, 3rd printing, MULATTO variety, fantastic example of exceptional quality! (Image)