GJ.636/54, including GJ.639A slate gray, one value with minor defect, good opportunity! (Image)

GJ.636 + 638/44 + 646/54, proofs of 17 different values of the set, some with minor faults, many of fine to VF quality (Image)

GJ.636/54, 1st airmail issue, one value with defect (not the 3 high values), very low start (Image)

GJ.663, blue ovpt. (Image)

GJ.665, 20c. with green overprint (Image)

GJ.1254, block of 4, with VARIETY: complete double impression of green color, VF (Image)

GJ.1337/40, cmpl. set (Image)

GJ.1427/1434 (without 1429), 1967 to 1971 basic set. (Image)