GJ.1, Un Real blue, pen cancelled, type 4, one just margin (Image)

GJ.3, 3c. light blue, type 4, one just margin (Image)

GJ.3, 3c. light blue, type 8, pen cancelled (Image)

GJ.4, 5c. yellow-green, type 5, on fragment with datestamp of Corrientes, VF (Image)

GJ.4, 5c. yellow-green, type 5, pen cancelled, excellent quality (Image)

GJ.5, 2c. bluish green, type 6, excellent stamp with JUMBO margins, superb (Image)

GJ.6, 2c. lemon yellow, type 1, with large top sheet margin and screw mark, signed by V.Kneitschel on back, excellent (Image)

GJ.6, 2c. lemon yellow, type 1, with CORRIENTES large arch cancel, superb (Image)

GJ.6, 2c. lemon yellow, type 5, pen cancelled, one just margin (Image)

GJ.6, 2c. ocher-yellow, type 8 with variety: "CORRIENTEO" and also a transparent oily impression, 9-bar cancel of Corrientes, very attractive! (Image)

GJ.6, 2c. lemon yellow, type 1, light cancel in one corner, JUMBO margins, excellent (Image)

GJ.6, 2c. lemon yellow, type 1, with 9-bar cancel of Corrientes, VF quality (Image)

GJ.7, 3c. dark blue, bottom sheet margin, VARIETY: left frame broken, superb (Image)

GJ.7, 3c. dark blue, type I, with dotted cancel of Corrientes, excellent quality (Image)

GJ.16, 3c. dull rose, block of 8, although it has some defects, it has full original gum and 5 of the stamps are MNH (the value of the 5 stamps alone is US$135) (Image)

GJ.16EN, 3c. dull rose, strip of 3 with HORIZONTAL GUTTER, Disposition 2A, types 2 / 5 / 2, the gutter shows some natural paper winkles, mint original gum (+50%), rare! (Image)

Reprint of VF quality (Image)

Reprint of VF quality (Image)