GJ.35,with semi-mute cancel of GUALEGUAYCHÚ "G inside ellipse of 7 bars", VF quality, rare! (Image)

GJ.35, with blue rectangular datestamp of BAHIA BLANCA, VF quality, rare! (Image)

GJ.36, pair with double rectangular datestamps of MARTIN GARCIA, VF quality! (Image)

GJ.37, 1867/73 5c. Rivadavia with groundwork of HORIZONTAL lines, mint without gum, VF, rare in unused, with signature (abbreviated) of Victor Kneitsche on back! (Image)

GJ.38, 1867/73 5c. Rivadavia with groundwork of crossed lines, mint original gum, VF and rare in this quality! (Image)

POSTAGE COMBINING GJ.38 and French stamps: Fragment of a folded cover with 5c. Rivadavia to pay the postage from Cartería "D" to the French consular office in Buenos Aires + French stamps for 1Fr. to carry the cover by ship possibly to an European country (with "anchor" cancel + octagonal datestamp), excellent quality, very colorful and attractive, with RPS certificate (of 1961). (Image)

GJ.39, 1867/73 10c. Belgrano, mint original gum, VF and rare in this quality! (Image)

GJ.43, 1867/73 60c. Posadas, mint original gum, VF and rare in this quality! (Image)

GJ.44, 1867/73 90c. Saavedra, mint original gum, VF and rare in this quality! (Image)

GJ.45a, 1877 1 on 5c. with INVERTED OVERPRINT var., used, excellent quality, rare, signed by Victor Kneitschel on back! (Image)

GJ.46, 1877 2c. on 5c., mint with large part original gum, excellent quality! (Image)

GJ.48, 1876/8 Rivadavia 5c. rouletted, fantastic mint example with original gum and a light hinge mark, sheet margin, very fresh, excellent. Signed by Victor Kneitschel on back (Image)

GJ.49/52, 1876/8 8c. to 24c. rouletted, mint original gum, excellent quality, superb! (Image)

GJ.56, 1877 25c. Alvear, nice used block of 10 stamps, excellent quality! (Image)

GJ.57, small P, marginal block of 6, excellent quality (5 stamps MNH, one with hinge), very nice! (Image)

GJ.60e, 1882 ½c. on 5c. large P, without perforation across the middle, INVERTED OVERPRINT variety, used, VF! (Image)

GJ.67, 1884 ½c. on 15c. groundwork of horizontal lines, black overprint, mint original gum, VF quality! (Image)

GJ.68, 1884 ½c. on 15c. groundwork of horizontal lines, carmine ovpt., mint original gum, VF quality! (Image)

GJ.72h, INVERTED overprint var., mint original gum, VF quality! (Image)

GJ.74, with VERY SHIFTED OVERPRINT, fantastic! (Image)

GJ.80P, 1888 ½c. Urquiza, IMPERFORATE PAIR, mint without gum, VF quality, very rare! (Image)

GJ.80PV, 1888 ½c. Urquiza, horizontal pair IMPERFORATE BETWEEN, used, with some minor faults but of fine appearance, very rare! (Image)

GJ.82PH, 1888 2c. Vicente López, vertical pair IMPERFORATE BETWEEN, mint full original gum, excellent quality! (Image)

GJ.84, 2 used stamps with VARIETY: taller or wider, including part of the printer imprint in one of their borders, VF quality! (Image)

GJ.86PH, 1888 Sarmiento 6c., vertical pair IMPERFORATE BETWEEN, VF quality, rare! (Image)