GJ.10, IN Ps. dun, very attractive example of 4 huge margins (with bottom sheet margin), with a tiny defect at bottom right else absolutely superb, on large fragment with ponchito cancel of Buenos Aires very well applied, good opportunity! (Image)

GJ.22, 2P. blue, semi-clear impression, dotted cancel, with ample margins, absolutely superb example! (Image)

GJ.22, 2P. blue, with 4 complete margins, used with the very rare CERTIFICADO cancel of San Nicolás, tiny defect on back, very good front, few known examples! (Image)

"Tribute of bus companies to Captain Olivero", very rare cinderella! (Image)

"No soy maestro pero quiero la Casa del Maestro", cinderella of 5c. mint without gum, VF quality, rare! (Image)

PEFIMAR, Peña Filatélica de Mar del Plata, mini-sheet of 8 cancelled cinderellas, VF quality! (Image)

Partido Autonomista de Corrientes, old used cinderella, very rare! (Image)

GJ.2BID, 10c. green, diagonal bisect used as 5c., on fragment with wreathed SALTA - FRANCA cancel, VF (Image)

Folded cover dated 14/MAY/1860 franked with 10c. green diagonal BISECT (GJ.2BID), with wreathed SALTA-FRANCA cancel very well applied over the stamp, with Alberto Solari certificate, good opportunity! (Image)

GJ.8, 10c. yellow-green, fantastic example of immense margins, very clear impression, superb! (Image)

GJ.1/4, the complete set of 4 values, mint full original gum, barely visible hinge mark, fresh, perfect, superb quality! (Image)

GJ.48, 1876 Rivadavia 5c. rouletted, mint original gum, VF! (Image)

GJ.58, variety "without the numerator (1) in the fraction of the overprint", excellent and rare! (Image)

GJ.80a, 1888 ½c. Urquiza, vertical pair, the bottom stamp with "MEDIO." variety, mint without gum, excellent quality, rare! (Image)

GJ.91a, 1888 30c. Dorrego with "RETOUCH in the background, at top left", used, excellent quality, very rare! (Image)

GJ.98b, with variety "Complete double line in the bottom frame" (pos.71), used, excellent and rare! (Image)

GJ.217PV, ½c. Liberty, pair IMPERFORATE VERTICALLY, excellent! (Image)

GJ.394, 1915 5c. Plowman, unwatermarked (French paper), corner pair with partial impression of another 2 "tete-beche" stamps in the top margin, very interesting! (Image)

GJ.451a, block of 4, STIFF PAPER variety, excellent quality (the lower stamps are MNH), rare! (Image)

GJ.539PV, 1922 Postal Congress, horizontal pair IMPERFORATE BETWEEN, mint with tiny hinge mark, excellent! (Image)

GJ.602c, pair WITH AND WITHOUT PERIOD, MNH (+50%), superb, rare! (Image)

GJ.726/730, 1933 La Plata, PROOFS in the issued colors (2 different examples of 15c.), VF quality, rare! (Image)

GJ.762, 1935 2P. Fruit, PROOF in the issued colors, strip of 4 with multiple impressions on both sides, excellent! (Image)

GJ.770, 1P. Map without borders, printed on CHALKY PAPER, with numbered sheet margin, MNH (+50%), superb! (Image)

GJ.792a, 2P. Fruit with straight rays wmk, IMPERFORATE BLOCK OF 4, MNH, superb and very scarce! (Image)