RARE LARGEST MULTIPLE: GJ.E20, proof printed on white paper of 50 microns, 5c. red-rose with clear rough impression, LARGE BLOCK OF 75 STAMPS consisting of 2 blocks of 25 + 50, including the variety "bottom left angle empty" (GJ.E20b, position 32), very attractive, great rarity, with Alberto Solari certificate. (Image)

GJ.SOB-51, provisional impression of 1902 using available papers, 5c. red Liberty Head on paper with light outer cracked pattern, and light blue cracked pattern inside, excellent quality, rare! (Image)

GJ.TAR-57, 1923 San Martín WITH period, double postal card (with paid reply) printed by a store (Almacén La Gran China), unused, excellent quality, rare! (Image)