GJ.19, 5c. 1st or 2nd printing, with mute cancel to be identified, thin on back (Image)

GJ.19, 5c. 2nd printing, excellent copy with very nice pen cancel, superb (Image)

GJ.20, 5c. 3rd printing, dun-red, unused, with all its perfs, superb (Image)

GJ.20, 5c. 3rd printing, clear impression, lightly cancelled (Image)

GJ.23, 10c. semi-clear impression, dotted cancel, thin on back, very good front (Image)

GJ.23, 10c. worn impression, used in Buenos Aires in FE/1867, superb (Image)

GJ.23g, 10c. beautiful mulatto example with unprinted areas, small thin on back, VF front (Image)

GJ.25, 5c. 4th printing, used in Buenos Aires on 16/JUN/1866, small thin on back, VF front (Image)

GJ.25, 5c. 4th printing, used in Buenos Aires in DE/1865, VF quality (Image)

GJ.25, 5c. 4th printing, used in Buenos Aires on 6/NO/1865, VF quality (Image)

GJ.25, 5c. 4th printing, with framed CORDOBA cancel, very nice color (Image)

GJ.25, 5c. 4th printing, with wreathed CONCORDIA cancel in blue, tiny thin on back, superb front (Image)

GJ.25SD, 5c. 4th printing IMPERFORATE (it missed the perforation machine), excellent stamp used in B.Aires in AP/1865, superb (Image)

GJ.25q, 5c. 4th printing, VERTICAL pair (it is scarcer than horizontal) position 88 + 98, one with VARIETY: spot on the temple (pos.88), with compete datestamp of B.Aires for 2/AP/1866, the top stamp is repaired, very collectible (Image)

GJ.26, 5c., typical example of 5th printing, with minor defect but superb appearance (Image)

GJ.28, 5c. 6th printing, used in Rosario (Image)

GJ.28A, 5c. 6th printing, orangish dun-red, with 6x6 dotted lozenge cancel of La Paz perfectly applied, very nice, with old writing on back, low start (Image)

GJ.R.17, 15c. black, Lichtenstein reprint, pair with immense sheet margin, VF quality (Image)