LOT OF COLOR PROOFS: GJ.845/49, 1940, set of 5 values, several color proofs of each value (in total 20 examples, all different), very good lot, low start! (Image)

GJ.1278, 1964 UPU Congress, 5 imperforate TRIAL COLOR PROOFS, printed on gummed paper with watermark, VF quality! (Image)

GJ.1287, 1964 Discovery of America, TRIAL COLOR PROOFS, 4 imperforate pairs printed on gummed paper with watermark, VF quality! (Image)

GJ.17e, 1P. blue with variety: "Frame defective between the N and C of FRANCO" (position 31), mint, excellent quality! (Image)

GJ.17A, 1P. MILKY blue, fantastic used example, superb! (Image)

GJ.12, brick rose, mint, excellent quality, rare. With Alberto Solari certificate. (Image)

GJ.9A, 15c. INDIGO blue, beautiful example in notable color, VF quality, very scarce! (Image)

GJ.60e, large P, with INVERTED OVERPRINT variety, mint without gum, excellent quality! (Image)

GJ.217PH, 1899 ½c. Liberty, pair IMPERFORATE HORIZONTALLY, VF quality! (Image)

GJ.562/573 + 590/593, 1923/4, San Martín with period (low values) and with honeycomb watermark (high values), cmpl. set of 16 values with MUESTRA overprint, VF quality, very rare! (Image)

GJ.600EHA, 1924 10c. San Martín w/o period, pair with decorated horiz GUTTER, MNH (+50%), very rare, excellent quality! (Image)

GJ.618, 1924 24c. San Martín w/o period, printed on RIBBED PAPER, fantastic corner example, MNH (+50%), possibly the best in existence! (Image)

GJ.746PV, 8c. Avellaneda, pair IMPERFORATE VERTICALLY, mint very lightly hinged, VF quality, rare! (Image)

Attractive VARIETY: GJ.761U, 1P. Map printed on Austrian paper with variety: "wave lines in the oceans" (produced by printing defect), very fine quality! (Image)

GJ.912/15, 1944 San Juan earthquake victims, complete set of 4 MNH values, excellent quality! (Image)

GJ.923/925, 1945 Centenary of Rivadavia, PROOFS in the issued colors, imperforate blocks of 4 printed on thick paper glazed on both sides, VF quality! (Image)

GJ.1089P, 1957 Letter week, IMPERFORATE PAIR, very fine quality, rare (Image)

GJ.1104a, 1958 Transmission of presidential power 40c. with variety: Flag without SUN, we include a normal example for comparison, excellent quality! (Image)

GJ.1104P + 1105P + 1106P, 1958 Transmission of presidential power (flags), set of 3 IMPERFORATE PAIRS, excellent quality, rare! (Image)

GJ.1107P, 1958 Flag memorial, IMPERFORATE PAIR, excellent quality! (Image)

GJ.1108P, 1958 Antarctic treaty, IMPERFORATE PAIR, excellent quality, rare! (Image)

GJ.1115P, 1958 Fight against leuchemia, IMPERFORATE PAIR, excellent quality! (Image)

GJ.1139a, 1959/64 4P. San Martín, block of 6 with COMPLETE DOUBLE IMPRESSION, in the right stamps both impressions are almost overlapping, in the left stamps they are very separated, excellent quality, fantastic and rare! (Image)

UNCATALOGUED VARIETY: GJ.1149Aa, 300P. Mar del Plata printed on imported glazed paper with VARIETY: "Lighthouse in Punta Corrientes" (pos.51), it will be included in the next edition of the GJ catalog with a value of US$100, excellent quality, rare! (Image)

GJ.1263P, 1963 Nubian monuments in Egypt, IMPERFORATE PAIR, excellent quality! (Image)