GJ.119A, 1889 50P. Deán Funes, mint very lightly hinged, excellent quality! (Image)

GJ.136, 1892 5c. Discovery of America, DIE PROOF with vertical lines, printed on paper glued to card, rare! (Image)

GJ.148P, 1892 1P. San Martín IMPERFORATE BLOCK OF 4, issued without gum, VF quality! (Image)

GJ.478, Block of 8 stamps, the 4 left stamps with watermark SERRA BOND. Some separated perforations, VF quality, catalog value US$180. (Image)

GJ.801, block of 4 with strongly shifted horizontal perforation, fantastic and of VF quality! (Image)

GJ.1106, 1958 2P. Argentina flag with DOUBLE IMPRESSION OF THE SUN variety, excellent quality, very rare! (Image)

GJ.3179, block of 10 with VARIETY: very shifted perforation, "R" of REPUBLICA is at right in the left stamps, and missing in the right stamps, VF quality! (Image)