GJ.16, 4R. green, mint, wide margins, tiny thin on back, almost insignificant in such a beautiful example! (Image)

GJ.17, 1P. dark blue, mint, very ample margins, fresh, excellent quality! (Image)

GJ.17, 1P. blue (2 stamps in different shades), one with interesting mark on back: "TIMBRE POSTA j", huge margins, very fresh, absolutely superb! (Image)

GJ.17d, 1P. blue, "BUENQS" variety, with blue grid cancel of B.Aires, 3 ample margins, very nice! (Image)

GJ.17, 1P. blue, with VARIETY: "rock in the background, at right of the head", excellent quality! (Image)

GJ.17, 1P. blue, double cancellation: pen + mute "dotted" cancel, with varieties: "frame broken above the E of CORREOS" and "small rock at left of the nose", tiny defect on back of little importance, excellent front! (Image)

GJ.17, 1P. light blue with variety "bump on the right frame", wide margins, excellent! (Image)

GJ.17A, 1P. MILKY BLUE, printed on very thin paper, wide margins, with an interesting pen cancel (scarce on Cabecitas!), very fresh, excellent quality! (Image)

GJ.17A, 1P. worn impression, in the rare INDIGO BLUE, with datestamp of Buenos Aires, very attractive! (Image)

GJ.17Ab, 1P. greenish blue, partial double impression, and another variety "top frame broken above the first R of CORREOS" (not catalogued for this rare color), rare, lightly cancelled, small thin on back and pressed-out crease in one corner, front of very fine quality! (Image)

ATTRACTIVE BICOLOR POSTAGE: Folded cover sent to Corrientes "via del Paraná" franked with 3P. (GJ.17 + 18, both with immense margins and superb), dotted cancel of Buenos Aires, excellent quality, very decorative! Signed by Victor Kneitschel and with certificate of Alberto Solari (Image)

GJ.18, 2P. red, with unusual VARIETY: "diagonal line in the border at top right", excellent quality, very rare! (Image)

GJ.20, 2P. blue, clear impression, very wide margins, on fragment (+50%) with datestamp of Buenos Aires, VF quality! (Image)

GJ.21, 1P. rose, almost clear impression, variety "1. I ESO", excellent quality! (Image)

GJ.21A, 1P. in the rare ROSE-CARMINE, wide margins, with small fault on back almost insignificant given its spectacular front! (Image)