GJ.35A, with rectangular datestamp SANTA CATALINA-JUJUY, VF quality, very rare! (Image)

GJ.35A, with "ESTAFETA DE CORREOS - VALLE FERTIL - S.J." double circle, very rare! (Image)

GJ.36, 4c. Moreno, block of 6 with Expedicion or bulk mail cancellation, VF quality! (Image)

GJ.38, 5c. Rivadavia, sheet margin with printer imprint, franking an entire letter sent to Córdoba on 16/JA/1871, Rosario datestamp, excellent quality! (Image)

GJ.124, COMPOUND PERF 11½x12, very fine quality! (Image)

GJ.131/2, 1890 overprinted, perf 11½, the set of 2 values, VF (Image)

GJ.151, 1892 5P. San Martín in pair + pair of 1P. (GJ.148) franking a PO box payment card of year 1895, rare! (Image)

GJ.176 on a 4c. Liberty PS card ilustrated (San Martín monument), sent on 15/MAR/1898 from B.Aires to Austria, VF quality! (Image)

GJ.189, 1896 San Martín 5P., 4 examples franking a PO box payment card of year 1898, excellent quality, rare! (Image)

GJ.236, 5P. Seated Liberty, pair franking a PO box payment card of year 1913, excellent quality, rare! (Image)

GJ.237, 1899 Seated Liberty 10P., 2 examples franking a PO box payment card of year 1901, excellent quality, rare! (Image)

GJ.237, 1899 Seated Liberty 10P. franking a PO box payment card of year 1912, excellent quality, rare! (Image)

GJ.238, 1899 Seated Liberty 20P. franking a PO box payment card of year 1910, excellent quality, rare! (Image)

GJ.276 x2 franking a small cover sent open from QUINES (San Luis) to Candelaria on 28/DE/1911, VF, rare cancellation and rate of 2c.! (Image)

GJ.289/299, 1908 San Martín in oval perf 13½, complete set of 11 values (without 1c. unissued), MNH (+50%), excellent quality! (Image)

GJ.314, 1910 10P. Centenary of May Revolution, very nice! (Image)

GJ.455, 1917 San Martín 20P. franking a PO box payment card of year 1920, excellent quality, rare! (Image)

GJ.459CD, block of 4 with labels at right, light crease in the right border else excellent, very nice! (Image)

GJ.460, 3c. San Martín without watermark franking ALONE a printed matter sent to Czechoslovakia on 23/JA/1922, excellent quality! (Image)

GJ.634CD, 1927 2c. San Martín with AP wmk and THIN PAPER, with LABEL AT RIGHT, very rare, VF quality! (Image)

GJ.774CA, block of 4 with LABELS AT TOP, the top right stamp with additional variety "white spot on the hair", mint lightly hinged, VF quality (Image)

GJ.943, 1947 5c. Corvette Uruguay and first Antarctic mail, MAXIMUM CARD with a postcard of the year 1901 edited by newspaper La Nación, excellent and very rare! (Image)

GJ.1003 + other values, VARIETIES of the Eva Perón set, most of fine quality, interesting! (Image)

GJ.1005ACD, 10c. Eva Perón printed on national unsurfaced paper WITH RIGHT LABEL, very fine quality! (Image)

GJ.1006, 20c. Eva Perón, 7 mint blocks of 4, all with attractive VARIETIES (spots, lines, etc.), very fine quality! (Image)