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)

Fragment of folded cover franked with 25c. (pair GJ.2 + GJ.1), with pen cancel of Corrientes, excellent quality, very rare, signed Kneitschel. (Image)

GJ.2, 10c. green, with double FRANCA cancel of Paraná in blue, signed by Kneitschel on back, VF quality! (Image)

GJ.2BID, 10c. green, diagonal bisect used as 5c., on fragment with ellipse ROSARIO cancel with FRANCA, signed by Kneitschel on back, VF quality! (Image)

GJ.2BID, 10c. green, diagonal bisect used as 5c., on fragment, with FRANCA cancel of Concordia, signed by Solari on back, VF quality! (Image)

GJ.2BID, 10c. diagonal bisect used as 5c., franking a long entire letter (with interesting commercial text), sent from Mendoza to Valparaiso on 8/JA/1862, VF quality, with Alberto Solari certificate. (Image)

GJ.3, 15c. blue, handsome example of very ample margins used in Rosario, with small thin on back, superb front, signed by Kneitschel, rare! (Image)

GJ.3TR, 15c. blue, bisect of 2/3 of the stamp used as 10c. on fragment of a folded cover, with FRANCA cancel of Rio Cuarto, excellent quality, extremely rare (only 3 known), with Solari-Mautalén certificate! (Image)

GJ.3A, 15c. small figure, PLATE B, mint, excellent quality, rare! (Image)

GJ.4d, 5c. large figures, with variety "lower frame line interrupted below EN", with lower sheet margin, example of great quality tied on fragment by cancel of Rosario, superb and rare! (Image)

GJ.4A, 5c. large figure, in the rare BLOOD RED, with variety "Bottom frame line interrupted below EN", mint original gum, minor defect repaired, excellent appearance, signed by Kneitschel on back, very rare! (Image)