GJ.5, Dos Ps. blue, type 36, with light ponchito cancel, excellent quality! (Image)

GJ.9, 4Rs. chestnut, with ponchito cancel, huge margins (with part of neighboring stamps at top and below), VF quality, very rare! (Image)

GJ.11C, IN Ps. indigo blue, mint, very clear impression, wide margins, very good example! (Image)

GJ.12, 1859 To rs. blue, mint, thinned on back, excellent front, beautiful example, catalog value US$600. (Image)

GJ.12, To rs. blue, type 4 on the reconstruction, with spot between BUENOS and AIRES, blue grid cancel, VF quality! (Image)

GJ.14, 1P. with notable INTENSE BLUE color, absolutely CLEAR impression, type 22 on the sheet (superb and rare), franking a folded cover sent from Buenos Aires to Santiago de Chile on 13/MAR/1860, very interesting! (Image)

GJ.15, 2P. red, CLEAR impression, wide margins, very good color, fresh, superb! (Image)

GJ.16, 4R. green, mint, wide margins, tiny thin on back, almost insignificant in such a beautiful example! (Image)

GJ.16, 4R. green on bluish paper, very worn impression (top inscription illegible), very interesting intense green color, with dotted cancel, superb! (Image)

GJ.17, with blue ponchito cancel of San Nicolás, rare, superb! (Image)

GJ.17c, 1P. dark cerulean, worn and blurry impression (it appears double), "1 without period" variety, excellent quality! (Image)

GJ.17Aa, 1P. MILKY blue, with DOUBLE IMPRESSION variety, wide margins, superb and very rare, catalog value US$400. (Image)

GJ.18, 2P. worn impression, mint, very wide margins, fresh, impeccable, superb example! (Image)

GJ.19, 1P. rose, clear impression, very good margins, fresh, VF quality, catalog value US$150. (Image)

GJ.1, 5c. red, on fragment with cancel of CORRIENTES in arch and FRANCA, excellent and rare! (Image)

GJ.1, with the very rare cancel "CORRIENT" in small arch (+600%), thins on back, very good front, signed by Victor Kneitschel, catalog value US$280. (Image)

GJ.1, 5c. red, with top sheet margin, and CORDOBA-FRANCA cancel, excellent quality! (Image)

GJ.1, 5c. red on fragment, with spectacular rimless datestamp of CONCEPCIÓN DEL URUGUAY in blue, superb! (Image)

GJ.1, 5c. with "2 periods after the 5" variety, on fragment with spectacular cancel of MENDOZA, excellent quality! (Image)

GJ.1, 5c. with "2 periods after the 5" variety, on fragment with FRANCA cancel of Paraná, signed by Victor Kneitschel, excellent and rare! (Image)

GJ.1e, 5c. with variety "two periods after CENTAV", franking an entire letter sent from Rosario to Buenos Aires on 22/JA/1859, excellent quality, signed by Kneitschel (Image)

GJ.1EN, 5c. red, small figures, strip of 4 WITH GUTTER, MNH, excellent quality, catalog value US$195. (Image)

GJ.1, 5c. small figures, with VARIETY: partial double impression (right side), excellent quality, rare! (Image)

GJ.2, 10c. green, tied on fragment by ROSARIO cancel, signed by Victor Kneitschel, superb! (Image)

GJ.2, 10c. green, with double ogive FRANCA cancel of Paraná, excellent quality, signed on back by Solari (Image)