GJ.14, fantastic block of 50 stamps (top part of the sheet), with notable and interesting differences in the thickness of the overprint letters between several stamps, and a misaligned impression both vertically and horizontally can also be clearly observed, MNH (2 or 3 with light hinge marks), superb, very rare! (Image)

GJ.38 + 39, 1901 Liberty, multiple die proof with values of 10c. and 30c., printed on card with glazed front, excellent! (Image)

GJ.662CZ, Rivadavia 10c. unwatermarked, thick Canadian paper, block of 4 WITH LEFT LABELS with small wavy lines, not yet listed, rare! (Image)