GJ.16, 5c. of 1st printing imperforate, dull impression, used in B.Aires on 2/MAY/1864, very fine quality, with certificate of G.Renon certificate (Paris) (Image)

GJ.19a, 1st printing, with COMPLETE DOUBLE IMPRESSION variety, position 41, with left line watermark, and rare "MENSAJERÍAS DEL PROGRESO" cancel (very few known), very fine quality! (Image)

GJ.19e, 1st printing, very thin paper, with the watermark taking almost all the thickness of the paper (breaking it in some areas), very fine quality! (Image)

GJ.20, 3rd printing, very clear impression (early plate B), dun-rose, excellent! (Image)

GJ.20, 3rd printing that appears to be 6th, with FRANCA cancel of Rosario, very fine quality! (Image)

GJ.20g, 3rd printing, absolutely clear impression, one of the first examples printed with plate B, VERY THIN and transparent paper, very fine quality, rare! (Image)

GJ.23, 10c. worn impression, fantastic mint pair, excellent quality, rare! (Image)

GJ.23, 10c. dull impression, with RARE CANCEL, possibly foreign, VF quality! (Image)

GJ.23SD, 10c. worn impression, IMPERFORATE (it missed the perforating machine), with straightline CERTIFICADO cancel of Corrientes, VF quality! (Image)

GJ.25, typical example of 4th printing, with spectacular blue FRANCA cancel of Rosario, excellent! (Image)

GJ.25, 4th printing with cancel of stagecoach mail "Nuevas Peninsulares", excellent quality, rare! (Image)

GJ.25, 4th printing franking a folded cover sent from Buenos Aires to Mendoza on 12/AU/1866, superb! (Image)

RARE POSTMARK: GJ.26, 5th printing with double ellipse "MENSAJERÍA DE LA ROSA DEL SUD - CHACABUCO 79" cancel, excellent and very scarce! With Alberto Solari certificate (Image)

GJ.26, 5th printing, beautiful pair with complete rococo cancel of SALTA, fantastic! (Image)

GJ.26A, 5th printing, light cerise carmine, with rococo cancel of Salta, very fine quality! (Image)

GJ.26A, 5th printing, dark cerise-carmine, partially parchment-like paper, franking a folded cover sent from San Juan to Copiapó (Chile), very fine quality! (Image)

GJ.26Ab, 5th printing, cerise-carmine, PARCHMENT-LIKE PAPER, 2 stamps on fragment used in B.Aires, excellent quality, rare! (Image)

GJ.28d, 6th printing perforated, DIRTY PLATE variety, splendid example with large right sheet margin, used in Concordia, superb! (Image)

GJ.R1, 1888 official reprint in black, SHEET CORNER (position 10), excellent quality! (Image)

GJ.R1, 1888 official reprint in black, pair with top sheet margin, superb! (Image)

GJ.19b, 1st printing perforated, with PARTIAL DOUBLE IMPRESSION (in the left border), WITH SHEET MARGIN (very rare!), pen cancelled, excellent quality, rare! (Image)

GJ.20, 3rd printing, with VARIETY: large ink spot above the head of Rivadavia, on fragment with barred cancel of VICTORIA, rare, excellent quality! (Image)

SHEET CORNER pair: GJ.20, beautiful pair of 3rd printing in very nice dark sienna color, position 91/92 (with double line watermark), rare, superb! (Image)

GJ.20, 3rd printing, carminish dun-red, franking an entire letter sent from SALTA to Buenos Aires on 7/FE/1865. The long text of the letter is very interesting, about the offer for sale of several inherited properties, excellent quality, signed by Rodolfo Kneitschel. (Image)

GJ.20m, 3rd printing, with VARIETY: Lower right angle empty (position 48), also mulatto, rare combination of varieties, excellent quality! (Image)