GJ.17, 1P. dull impression, 2 mint stamps, dark blue and light blue (the latter with light partial double impression), very fine quality! (Image)

GJ.17, 1P. blue, dull impression, very ample margins, excellent quality! (Image)

GJ.17, 1P. blue, semi-clear impression, large margins, superb example! (Image)

GJ.17c, 1P. blue, "1 without period" variety, also a small color spot partially over the E of CORREOS, VF! (Image)

GJ.17, 1P. LIGHT BLUE, unusual color, with variety: "plate flaw at bottom right, triangle-shaped", rare, excellent quality! (Image)

GJ.17A, 1P. MILKY blue, mint, excellent quality, rare! (Image)

GJ.17A, 1P. INDIGO blue, fantastic and very rare color, 3 wide margins, very scarce, catalog value US$140 (Image)

GJ.17A, 1P. worn impression, light milky blue, with VARIETIES: "Left frame broken and 1 double", and "_ORREOS", rare and very interesting! (Image)