GJ.16, 4 Reales green, semi-clear impression, original gum (+200%), signed by Kneitschel, rare! VF quality (Image)

GJ.16, 4 Reales green, very worn impression, spectacular fluo green color, partial double impression, used, with small thins on back, LOW START (Image)

GJ.17, 1 Peso blue, worn impression, partially double on the left, used, very nice example of ample margins (Image)

GJ.18, 2 Pesos red, worn impression, used, signed by Kneitschel, very nice, with ample margins (Image)

GJ.22, 2 Pesos blue, worn impression, with VARIETY: "Spot below the C of CORREOS", used, defects, low start (Image)