GJ.636/654, First airmail issue, fine general quality, low start! (Image)

GJ.653, very fine! (Image)

GJ.661, 50c., with blue overprint (Image)

GJ.665/668, first airmail set with GREEN overprint, without the high value, 2 values used and 2 lightly hinged, VF quality! (Image)

GJ.715/19, cmpl. set, the 3 high values of VF quality (Image)

GJ.722, high value of the set (Image)

GJ.845, on envelope with first day postmark (Image)

GJ.846, Mercury (block of 4) on GJ.853, proof (printer´s waste), in dark chestnut and red (Image)

GJ.847a, $1 photogravure, block of 4, one with variety: "1" with period (pos.70) (Image)

GJ.848, Airplane, MNH block of 4 (Image)

GJ.857, marginal pair, with rare inky impression + VARIETY: offset impression on back, excellent! (Image)

GJ.859, pair, one with VARIETY: face without outline, rare, VF quality! (Image)

GJ.864/6, complete set, VF (Image)

GJ.863, 2 examples from very different printings, noticeable not only in the shade, but also in the paper thickness (thin of 90 microns and thick of 110 microns), interesting for the specialist (Image)

GJ.865, with "S.D" perfin (Sharp & Dohme S.R.L.), rare (Image)

GJ.974, marginal block of 4, one with VARIETY: spot above the "4" in "1949", VF! (Image)

GJ.1002a, block of 4 with first day pmk, one with VARIETY: spot on "M" of MIGUEL (pos.17) (Image)

GJ.1117, on a maximum card with first day postmark, carried on FIRST FLIGHT to New York, very nice! (Image)

GJ.1184, $6+3 EFIMAYO 1960, pair, imperforate PROOF on the issued paper, in violet, VF (Image)

GJ.1189a, pair with first day postmark, one stamp with VARIETY: Short line in the margin above "5.30" (pos.78) (Image)

GJ.1251/56, cmpl. set in blocks of 4, hinged (Image)

GJ.1295, pair with VARIETY: Offset impression of the overprint on back (Image)

GJ.1337/40, compl. set in blocks of 4 with first day postmark (Image)

GJ.1427 + 1429 + 1432 + 1434, cmpl. set (not including paper varieties) in blocks of 4 with first day pmk (Image)

GJ.1700, with variety: Shifted overprint (Image)