GJ.39BI, 10c. Belgrano, diagonal half used as 5c. on fragment with PASO DE LOS LIBRES cancel, very fine quality, rare! (Image)

GJ.222, Liberty 5c., 2 examples with variety: PERFORATION MISSING on one side, spectacular! (Image)

GJ.227, with variety: PERFORATION MISSING at top, VF! (Image)

GJ.299b, 1908 1P. San Martín in oval, pair WITH AND WITHOUT watermark, excellent quality! (Image)

GJ.499, with immense paper fold, fantastic, very fine quality and spectacular! (Image)

GJ.594c, pair WITH AND WITHOUT period, used, VF quality, very rare (the catalogue value is incorrect) (Image)

GJ.629d, block of 14 stamps, 2 WITH PERIOD, MNH, superb! (Image)

GJ.811P, 50c. Petroleum, unwatermarked, beautiful IMPERFORATE PAIR, MNH! (Image)

GJ.1031, 1954 3P. Eva Perón with STRAIGHT RAYS wmk, spectacular corner single, MNH! (Image)

GJ.1675, 1974 Christmas (painting of Raul Soldi), with VARIETY: Dramatically shifted colors, spectacular! (Image)

GJ.1761P, 1977/8 300P. Valle de la Luna, corner IMPERFORATE PAIR, MNH, superb! (Image)

GJ.1762P, 1877/8 500P. Antarctica, IMPERFORATE PAIR, MNH, superb! (Image)

GJ.1763a, 1977/8 1.000P. San Francisco church, with VARIETY: Very shifted perforation ("REPUBLICA ARGENTINA" at top), along a normal example for comparison, excellent! (Image)

GJ.1766, 1977/8 500P. Antarctica, WITH Casa de Moneda wmk, top sheet margin, MNH, superb! (Image)