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)

GJ.1290P, 1964 Painting by Carlos Morel (wagon, gauchos, guitar, music, cows etc.), beautiful IMPERFORATE PAIR, excellent quality! (Image)

GJ.1320Aa, 90P. Brown, on hard imported unsurfaced paper, splendid corner stamp, the most beautiful of all the known examples! (Image)

GJ.1445, 1968 Navy day, block of 4 with notable variety: BLUE AND YELLOW COLORS SHIFTED downwards, excellent quality! (Image)

VERY LOW START: GJ.1666A, 1974 UPU 100 years WITH Casa de Moneda wmk, MNH, excellent quality, catalog value US$75 (Image)

MODERN RARITY: GJ.1724, 1976 Figures 5P. without watermark, pair printed on very thin and semi-UV neutral PELURE PAPER, the only example I have ever seen, excellent quality! (Image)

VERY LOW START: GJ.1766, 500P. Antarctica WITH Casa de Moneda wmk, MNH, very fine quality, catalog value US$100 (Image)

GJ.1785N, 1977/9 50P. Cabildo of Buenos Aires on UV NEUTRAL UNSURFACED PAPER, with sheet margin, excellent! (Image)