GJ.35, with cancel of BELLA VISTA (Corrientes) in blue for 29/JA/1877, small thin on back (Image)

GJ.39, with VARIETY: shifted vertical perforation, thin on back, very good front, very rare variety! (Image)

GJ.39, printed on VERY thin paper (70 microns), along a normal example, interesting (Image)

GJ.35, 2 examples from different printings (blue + dark blue) (Image)

GJ.45, 1c on 5c., with interesting cancel (Image)

GJ.54, pair used in Rosario (Image)

GJ.57, small P (Image)

GJ.57e, with VARIETY: double perforation across the middle (Image)

GJ.66, IMPERFORATE, with top sheet margin, VF (Image)

GJ.67, ½c on 15c. with black overprint (Image)

GJ.71, ½c on 5c., MNH (Image)

GJ.82, with cancel of "CHILECITO" (Mendoza) (Image)

GJ.90, pair, with VARIETY: double vertical perforation, rare in used condition! (Image)

GJ.91, 13 used examples, in general of VF quality, perfect lot to look for report positions, good lot (Image)

GJ.91A, chocolate, pos.1 on report II, rare, VF quality (Image)

GJ.93, 50c. Mitre, high value of the set, very scarce example with original gum (Image)

GJ.93, high value of the set (Image)

GJ.95, perf 12, used block of 4 (Image)

GJ.106, 2 examples in different shades (Image)

GJ.107, pair with bottom border interrupted (Image)

GJ.108, with attractive mark on back of Victor Kneitschel (Image)

GJ.108A, greenish light blue, hinged (Image)

GJ.108A, greenish light blue (Image)

GJ.109, 2 examples from very different printings, one with also offset impression on back (Image)

GJ.111, DIE PROOF, printed on thin paper, in blue, VF quality (Image)