GJ.636/54, first airmail issue, complete set of excellent quality, MNH (Image)

GJ.845/49, complete set, low start (Image)

GJ.847a, with VARIETY: "1" with period (pos.70) (Image)

GJ.848, 2 PROOFS on paper with chalky front, in blue + green, one with small defect (Image)

GJ.861P, imperforate pair with sheet margin, VF (Image)

GJ.862, Mercury, marginal block of 4 with straight rays wmk (Image)

GJ.863/66, complete set without watermark, MNH (Image)

GJ.865P, imperforate pair (Image)

GJ.1252, with "ARGENTINA" upwards (Image)

GJ.1694, block of 4 with offset impression on back (Image)

Paley reprint of Dos Ps in blue, printed on opaque cream card, VF quality (Image)

GJ.9, 4rs. chestnut, on fragment with complete 10x10 ponchito cancel of B.Aires, excellent (Image)

GJ.16, 4 R. green, worn impression, with grid cancel of B.Aires in blue, VARIETIES: top frame interrupted above the second "O" of CORREOS + in the top right angle, light paper thin (Image)

Block of 35 (sheet without one stamp) of Rotary for the Polio vaccination campaign (Image)

GJ.2BID, 10c. small figures, diagonal half used as 5c. on fragment, with complete ellipse cancel of Mendoza with FRANCA (+100%), signed by Solari, rare! (Image)

GJ.6, 15c. large figures (Image)

GJ.1, Un Real blue, type 8, pen cancelled, just margins (Image)

GJ.1, Un Real blue, type 1, pen cancelled on fragment, JUMBO margins, superb (Image)

GJ.3, 3c. light blue, type 4, with original gum, small thin on back (Image)

GJ.4, 5c. yellow-green, type 2, one margin just (Image)

GJ.6, 2c. lemon yellow, original gum, extremely blurred impression, small defects, very fine appearance (Image)

GJ.6, 2c. ocher yellow, type 7, pen cancelled, very wide margins (Image)

GJ.6, 2c. lemon yellow, type 7, pen cancelled, very ample margins (Image)

GJ.6, 2c. lemon yellow, type 6, pen cancelled (Image)

GJ.9, 3c. dark rose-lilac, type 7, fantastic example with JUMBO margins, excellent quality (Image)