Sc.81a, 1902 400r. on 200r. perf 13½, mint lightly hinged, very fine quality, catalog value US$375 (Image)

GJ.135/136, 1892 Discovery of America 400 years, PROOFS in blue printed on card with white front, VF quality! (Image)

GJ.135/136, 1892 Discovery of America, lot of mint and used stamps with varied cancels, including some Italian forgeries (one with also forged cancel), and 3 color proofs on card and a die proof with decree of the 5c. value, most of fine quality, interesting group! (Image)

GJ.136, 1892 5c. Discovery of America, die proof with the decree of the issue, very nice! (Image)

GJ.137 + other values, 1892 Rivadavia, Belgrano and San Martín, album page with examples with MUESTRA ovpt., the high value in black and red, VF quality! (Image)

GJ.157, 10c. with small sun watermark and PERFORATION 12, pair with DOUBLE VERTICAL PERF between the stamps, excellent quality, rare. A normal pair has a catalog value of US$64! (Image)

GJ.360O/362O, stockcard with several stamps and blocks of 4, VF! (Image)

GJ.413, 1916 5c. Centenary of Independence with HORIZONTAL HONEYCOMB watermark, fantastic mint block of 4 (top stamps lightly hinged, botton stamps MNH), very fresh, excellent and very rare! (Image)

GJ.428, 1917 5c. San Martín, PROOF in negative, imperforate pair printed in black on glazed card, VF quality! (Image)

GJ.462CZ, block of 4 with LEFT LABELS, MNH (+50%), excellent! (Image)

GJ.472a, with very notable complete DOUBLE IMPRESSION, tiny thin on back, superb front! (Image)

GJ.492, with W. Bond watermark, VF quality! (Image)

GJ.544, block of 6 with LARGE paper fold, VF quality, fantastic! (Image)

GJ.546CD, 1922 3c. San Martín with large sun wmk, block of 4 with LABELS AT RIGHT, MNH (+50%), excellent! (Image)

GJ.593, 20P. San Martín with horiz honeycomb wmk, small hinge mark, very fine quality! (Image)

GJ.680, 4c. block of 4 IMPERFORATE at bottom, rare! (Image)

GJ.681, 5c. Revolution on normal paper (Dutch) and another uncatalogued paper with very different watermark with sun of much smaller diameter, rare! (Image)

GJ.681, 5c. Revolution on normal paper (Dutch) and another uncatalogued paper with very different watermark with sun of much smaller diameter, rare! (Image)

GJ.774, block of 4 with VARIETY: very shifted perforation, very nice! (Image)

GJ.795TH, block of 9 stamps that includes 3 tete-beche pairs with horizontal gutter, VF! (Image)

GJ.796, 10c. Rivadavia, pair, the left stamp partially (about 50%) unprinted and with that area printed on back, ON GUM, due to a pre-printing foldover, spectacular! (Image)

Booklet GJ.800A-A1-V complete, very fine quality, rare! (Image)

Booklet GJ.800A-B1-VIII complete, very fine quality, rare! (Image)

GJ.801A, block of 4 with notable shifted perforation, very nice! (Image)

GJ.838b + 838c, 1939 1.50P. Fonopost, block of 4 including the varieties "Period and comma between the P and E of PESOS" (position 90) and "Retouch at bottom left" (position 100), 2 stamps with tiny and almost invisible hinge mark and 2 MNH (+100%), excellent quality, rare! (Image)