GJ.9, 15c. blue, with interesting wear in the lined background at bottom left, wide margins, on fragment used in Córdoba, VF quality! (Image)

GJ.11a, 10c. without accent, vertically RIBBED PAPER variety, only 2 or 3 examples are known, excellent quality, signed by Victor Kneitschel on back, and with Alberto Solari certificate. (Image)

GJ.15b, 5c. narrow C dull red, pair, both with VARIETY: "Bottom frame line omitted", franking a folded cover (date noted down 14/SE/1864) with good blue OM cancel, sent to Corrientes by steamers "Pavón and Esmeralda", very fine quality! (Image)