GJ.20, 5c. 3rd printing, clear impression, mint no gum, with LINE WATERMARK variety (horizontal sheet margin), VF quality (Image)

GJ.20, 5c. 3rd printing, clear impression, mint no gum, with a small tear at top left (Image)

GJ.20d, 5c. 3rd printing, worn impression, with lightly DIRTY PLATE variety (vertically), mint no gum, VF quality (Image)

GJ.23, 10c. inky dull impression, mint no gum, thin on back, very good front, catalog value US$100 (Image)

GJ.23, 10c. inky and worn impression, with datestamp of Buenos Aires, VF quality (Image)

GJ.23, 10c. semi-clear impression, medium paper, unused, no gum, VF quality, catalog value US$100 (Image)

GJ.24, 15c. inky impression, dull impression, with CERTIFICADO cancel of BELLA VISTA (Corrientes, +200%), tiny defect barely visible, else superb! (Image)

GJ.24, 15c. worn impression, dark blue, mint part gum, with some creases on back, good front (Image)

GJ.24, 15c. light blue, worn impression, VERY SHIFTED WATERMARK variety, to lower right, mint no gum, 4 ample margins, nice example (Image)

GJ.24, 15c. worn impression, with biconcave ellipse cancel of ROSARIO, VF quality (Image)