GJ.636/654, 1928 complete set of 19 values, mint lightly hinged (several MNH), excellent quality! (Image)

FANTASTIC RARITY: (GJ.720b), 1932 Zeppelin 5c., pair, the right example with COMPLETE DOUBLE IMPRESSION of the stamp, very notable, unknown variety until now, it will be included in the next edition of the GJ catalog as GJ.720b with a value of $500. Excellent quality, MNH (+50%), only one I have every seen until today! Signed by Kneitschel on back. (Image)

GJ.720CJ, 1932 Zeppelin 5c. WITH LABEL BELOW, very rare!! (Image)

GJ.845SG, 1940 30c. Stylized airplane, PRINTED ON GUM, tiny hinge mark, excellent! (Image)

GJ.1251P, 1963 5.60P. Airplane, very rare IMPERFORATE PAIR, excellent quality! (Image)

GJ.1253a, 1963 Airplane 7P. with variety "without ARGENTINA", excellent quality, rare! (Image)

GJ.1254P, 1963 11P. Airplane, very rare IMPERFORATE PAIR, excellent quality! (Image)

GJ.1287P, 1964 Discovery of America (Colombus), 4 IMPERFORATE BLOCKS OF 4 in different colors (trial color proofs), MNH and of excellent quality, very rare group! (Image)

GJ.1295P, First Philatelic Meetings, IMPERFORATE PAIR + other 4 imperf pairs in different colors (proofs), excellent quality! (Image)

GJ.1338A, 1965 15P. Airplane with the perforation very shifted: "REPUBLICA ARGENTINA" on the left! (Image)

GJ.1357P, 1966 Navy aviation school (albatros and Crux), IMPERFORATE PAIR + other 4 imperf pairs in different colors (proofs), excellent lot! (Image)

GJ.1447a, 1968 Vito Dumas single-handed sailor, block of 4 with RED COLOR OMITTED (hull of the boat, and clothes in different color), along a normal block for comparison, MNH, excellent quality, rare! (Image)

GJ.6, TRES Ps. green, Arata reprint, sheet of 20 stamps (20 different types), excellent quality! (Image)

FORGED COVER: GJ.6, TRES Ps. green franking a folded cover sent from Buenos Aires to San Nicolás, ALL FORGED, interesting! (Image)

LOT OF FORGERIES: Interesting lot with large number of stamps, including Arata reprints (at least 2 with his mark on back), very fine general quality! (Image)

FORGED COVER: GJ.19, 1P. rose (the stamp is genuine and very handsome), franking a folded cover sent from Buenos Aires to San Nicolás, FORGED (the cancel and text on the cover are fake), very interesting! (Image)

Lot with large number (I estimate about 50) of stamps of 5c., 10c. and 15c. small figures + 5c. large figures, ALL WITH FORGED CANCELS, several are very well made, some with small defects, most of fine to very fine quality, very interesting! (Image)

15 Stamp FORGERIES, some are unusually different from the genuine ones, mixed quality (some with defects, others of very fine quality), very interesting! (Image)

LOT OF FORGERIES: 8 forged stamps, values from 5c. to 1P., including 4 forgeries of Schroeder, very fine general quality, rare lot! (Image)

GJ.8, 10c. green with VARIETY: "worn plate (without the lined background) around the 10", wide margins, used in Tucumán, excellent! (Image)

RARE CANCELLATION: GJ.38, 1867/73 5c. Rivadavia, with pen cancel of MEDINA (Tucumán) of 24/JA/1876, excellent quality! (Image)

GJ.38, 1867/73 5c. Rivadavia, with double cancellation: pen of LORETO and "FRANCA" of Rosario applied on arrival, excellent quality, unique with this combination! (Image)

GJ.60l, with variety "DIAGONAL and INVERTED overprint", very rare! (Image)

GJ.174a, 1896 ½c. Rivadavia, pair WITH AND WITHOUT WATERMARK, MNH (+50%), extremely rare! (Image)

VERY RARE VARIETY: GJ.249PV, 1899 Liberty 15c. with perforation 12¼, pair IMPERFORATE BETWEEN vertically, used, excellent, very few known! (Image)