GJ.91A, 30c. Dorrego, in the rare REDISH CHOCOLATE color, with blue datestamp of PARANÁ, very nice! (Image)

GJ.143, 2 examples on a 5c. stationery envelope (total postage 25c.) sent to Germany on 29/NO/1892 "by steamer Lusitania", with arrival backstamp, excellent quality! (Image)

GJ.147, used block of 4, excellent quality! (Image)

GJ.171, very rare block of 4 of 50c. Belgrano with small sun wmk and COMPOUND PERF GJ.171, postally used, superb! (Image)

GJ.201, perf 12, used, VF quality! (Image)

GJ.218, 1899 1c. Seated Liberty, block of 4 with DIAGONAL PERFORATION, VF! (Image)

GJ.526a, 1921 2c. Mitre, pair with DOUBLE COMPLETE IMPRESSION, MNH (+50%), VF quality! (Image)

GJ.533, 1921 Panamerican Postal Congress, large block of 80 unmounted stamps, excellent quality. Catalog value US$72. (Image)

GJ.756, 1935/52 25c. Plowman, PROOF in the issued color, imperf block of 4 printed on unsurfaced paper for specimens, with other 2 impressions on back of the same value (Plowman), VF quality! (Image)

GJ.770 x2 uprating a 5c. Moreno PS cover, sent via airmail from General Acha (La Pampa) to the United States on 20/Ap/1944, censored, VF! (Image)

GJ.798CA, 10c. Rivadavia with label at top, from the gutter, used, excellent quality, extremely rare! (Image)

GJ.800T, 5c. Moreno printed on chalky paper, TETE-BECHE block of 4 franking a cover with special postmark of the Industrial exposition of 1942, VF quality! (Image)

RARE PERFIN ON COVER: GJ.820 with reversed "BE" commercial perfin, franking a cover sent from Buenos Aires to USA, excellent! (Image)

GJ.856Caa, Estrada with DOUBLE label at top, VF! (Image)

GJ.867, Columbus lighthouse, with WAVY rays watermark, VF quality! (Image)

GJ.874CZ, 20c. Bull with WAVY rays wmk and label at left, VF quality! (Image)

GJ.879, 5 blocks of 4 from different printings, varied shades and papers (from thin to very thick), interesting! (Image)

GJ.894P, imperforate pair, VF quality! (Image)

GJ.904, 1943 Postal Savings Bank, with STRAIGHT RAYS wmk, VF quality! (Image)

GJ.950P, 1947 Cervantes, IMPERFORATE PAIR, excellent! (Image)

GJ.976/82, complete San Martin set franking a cover sent from ORCADAS DEL SUR to Buenos Aires, interesting! (Image)

GJ.976A, 1950 10c. San Martín, block of 4 printed on GLAZED PAPER, VF quality! (Image)

GJ.1000ZA, 1951 unissued stamp of Juan Perón printed on chalky paper, in green-blue, VF quality! (Image)

GJ.1005a, 1952 10c. Eva Perón, spectacular pair with notable COMPLETE DOUBLE IMPRESSION, superb! (Image)

GJ.1005, 1952 10c. Eva Perón, left half sheet of 100 examples with interesting "disalinged stamps" variety (it can be clearly observed in the top margin of the first row, the top margins do not follow a straight line, very interesting variety). With some other minor additional varieties, for example "frame broken above 10c." (postion 100), etc. Very fine quality, lot of great interest to the specialist in this issue! (Image)