A. Sc.149, 1923 10q. Berati, with VARIETY: defective "0" in the right "10", VF quality! (Image)

A. GJ.38, tied on folded cover by double ellipse "Admon de C. de Rosario" cancel along datestamp of 5/NOV/1872, excellent quality! (Image)

A. Entire letter sent to Córdoba on 10/DE/1879, franked by GJ.49 (Rivadavia 8c. rouletted), with datestamp of ROSARIO along diamond 'A' carteria cancel??, arrival backstamp of the following day, excellent quality! (Image)

A. GJ.66, 1882 Little Envelope 12c. GREENISH blue, perf 14, with sheet corner and IMPERFORATE on 2 sides, franking a cover sent from Buenos Aires to Paris on 8/JUL/1883, VF quality, rare! (Image)

A. GJ.118, 20P. Guillermo Brown, die proof in red-chestnut, printed directly on card, excellent quality, rare! (Image)

A. GJ.118, 1889 20P. Brown, PROOF in very dark brown, block of 4 printed on thin paper, unlisted by Kneitschel, excellent quality, very rare! (Image)

A. GJ.136, 1892 5c. Columbus ships, block of 6 with vertical perforation strongly shifted between the first and second column, very notable. Varieties are very rare in this issue! (Image)

A. GJ.179, pair franking a cover sent to San Juan, cancel of "Estafeta Ambulante", VF! (Image)

A. GJ.455, 1917 20P. San Martín, franking the 2nd page of a PO payment card of the year 1918, VF quality, rare! (Image)

A. GJ.826 + 827, 1939 UPU Congress, 25c. (Iguazú Falls) and 50c. (Cerro Bonete), proofs in black printed on transparency, very rare! (Image)

A. GJ.912/5, 1944 Victims of the San Juan earthquake, PROOFS in the adopted colors, 2 pairs on paper with glazed front and 2 pairs on special paper for specimens (type I), VF quality (2 with minor defects on reverse, very good fronts), rare! (Image)

A. GJ.1024 (Sc.620), 1953 Corbeta Uruguay and map of Antarctica, 3 TRIAL COLOR PROOFS, VF quality, very rare! (Image)

A. GJ.1025 (Sc.621), 1954 Radio post office in Orcadas, flag of Argentina, 2 TRIAL COLOR PROOFS, superb blocks of 4, very rare! (Image)

A. GJ.1030, 1954 Eva Perón, PROOF on white paper, block of 4 in dark purple-violet, VF, rare! (Image)

A. GJ.1031 (Sc.627), 1954 Eva Perón with watermark sun w/straight rays, mint never hinged, superb, catalog value US$200. (Image)

A. GJ.1034, 1954/7 20c. San Martín, PROOF in green, imperforate block of 4 printed on ordenary paper, VF quality, rare! (Image)

A. GJ.1405 (Sc.830), 1967 UNESCO 20th anniv., pre-Columbian pottery, 4 imperforate TRIAL COLOR PROOFS on normal paper with gum and watermark, superb, very rare! (Image)

A. GJ.1852SG, 1979 Guillermo Brown PRINTED ON GUM variety, fantastic corner single, excellent! (Image)

A. Yvert 1089/1100 + 1100A/1100M, complete set of 12 values + souvenir sheet, butterflies and insects, excellent quality! (Image)

A. RHM.660/663, 1988 Brazilian historic and artistic heritage, complete set of 4 values in marginal blocks of 4, MNH, VF quality, catalog value 330Rs. (Image)

A. Pack for the automatic sale of postage stamps, value Cr$5.00, interesting! (Image)

A. 1941 Santiago 4th centenary, DIE ESSAYS in black, unissued designs without face value, with views of: J.T.Urmeneta, M. Valdez V., E. Meiggs, A. O´Higgins, Villarroel, M. de Salas, Zañartu, y V. Martinez, excellent quality, very rare! (Image)

A. Sc.59/64 + C24/29, 1934 Colonial Art Exposition (horses, airplanes), cmpl. set of 12 values, mint lightly hinged, fine quality! (Image)

A. Yvert 89/99, Ships, birds and flowers, complete set of 11 values, very fine quality! (Image)

A. Yvert 1468/1554 + A.251/2 + B.36, 1971 complete yearset, MNH, catalog value Euros 137+ (Image)