GJ.5, Dos Ps blue, used, damaged (Image)

GJ.9, 4 Rs., color altered to make it look like GJ.7, position 18, signed by Victor Kneitschel, cancelled (Image)

GJ.11, IN Ps blue, used, damaged (Image)

Dos Ps, Paley reprint in black, sheet of 34 stamps (Image)

GJ.16, 4 Reales green, worn impression, dotted cancel, just margins, low start (Image)

GJ.17, 1P. DARK blue, worn impression, unused, without gum, VF (Image)

GJ.17d, 1P. dark blue, worn impression, "BUENQS" variety, used, VF (Image)

GJ.17j, 1P. light blue, worn impression, variety: White spot at right of the "S" of CORREOS, used, with thin on back, nice front (Image)

GJ.21, 1P. dull rose, worn impression, with Buenos Aires datestamp (FE/1865), VF quality (Image)

GJ.21, 1P. dull rose, worn impression, unused, without gum, with thin on back, nice front (Image)

GJ.22, 2P. light blue, worn impression, datestamped, VF (Image)

GJ.1a, 5c. red, small figures, strip with the 9 types, defects (Image)

GJ.1a, 5c. red, small figures, strip with the 9 types, original gum, small defects (Image)

GJ.1c, 5c. blue, variety: "5" without top stroke, unused, without gum, defective (Image)

GJ.2, 3c. blue, type 6, pen cancelled, with small tear (Image)

GJ.3 + other values, 11 varied stamps with defects, high catalog value (Image)

GJ.3, 3c. blue, type 6, with forged cancel (Image)

GJ.6, 2c. yellow, type 5, unused, without gum, VF (Image)

GJ.6, 2c. ocher yellow, type 2, with forged cancel (Image)

GJ.6, 2c. yellow, type 5, on fragment with pen cancel, VF (Image)

GJ.7, 3c. dark blue, type 8, with original gum (+50%), VF quality (Image)

GJ.7, 3c. dark blue, types 7 and 8 in pair, unused, without gum, VF (Image)

GJ.7T, 3c. dark blue, tete-beche pair, with forged cancel, catalog value US$40 (as unused, the less expensive) (Image)

GJ.9, 3c. dark rose-lilac, type 8, used, VF (Image)

GJ.11, 3c. lilac-rose, type 5, with rare violet pen cancel, VF quality (Image)