GJ.16, 1st printing imperforate, wide margins, with splendid mute ponchito cancel (+300%), superb and very rare, signed by Victor Kneitschel on back. (Image)

GJ.16d, 5c. very clear impression, printed on PAPER RIBBED in both directions ("hessian"), OM cancel, with 4 complete margins (one just), tiny defect on back, very good front, rare, catalog value US$275 (Image)

GJ.19, 1st or 2nd printing, 4 examples in varied shades and neatness, excellent quality (Image)

Folded cover dated 5/DE/1864 sent to Rosario, franked with 5c. of 1st printing (GJ.19) with horseshoe "CORDOBA-FRANCA" cancel, VF! (Image)

GJ.19m, 1st printing, very clear impression, DIRTY PLATE variety, superb example franking an entire letter sent from B.Aires to Montevideo on 11/MAR/1865, with double cancellation: dotted + rimless datestamp, excellent! (Image)

GJ.20, 3rd printing, beautiful vertical pair franking a cover (very unsual for the period) with its original letter included, sent from B.Aires to Córdoba on 12/JUL/1865, with transit backstsamp of Rosario, superb! (Image)

GJ.20d, fantastic example of 3rd printing with DIRTY PLATE variety, also the paper is completely darkened due to effect of the brown gum (illegible), franking a front of folded cover sent from B.Aires to San Pedro, superb, rare! (Image)

GJ.20j, 3rd printing, MULATTO variety, franking a front of folded cover sent to San Pedro, with mute "dotted" cancel of Rosario, VF! (Image)

GJ.21, 10c. VERY CLEAR impression, used in Corrientes, excellent quality! (Image)

GJ.23, 10c. semi-clear impression, excellent! (Image)

GJ.23, 10c. semi-clear impression, fantastic strip of 3, the central stamp with variety "Rivadavia with gray hair", superb! (Image)

GJ.23, 10c. worn impression, fantastic example franking a folded cover dated 25/SE/1864, with blue "OM" cancel, sent to Rosario, VF quality! (Image)

Entire letter written in German, sent from B.Aires to Montevideo on 19/JUL/1866, franked by spectacular example in dark green, worn impression, superb! (Image)

GJ.24, 15c. dark blue, worn impression with interesting cancel to be determined, superb! (Image)

GJ.24, 15c. blue, worn impression, with VARIETIES: "Uneven impression (little ink at top left)", and also with vertical line watermark (left sheet margin), signed by Victor Kneitschel on back, VF quality! (Image)

GJ.26, typical example of 5th printing, used in Buenos Aires on 3/SE/1866, excellent quality! (Image)

GJ.26, typical example of 5th printing WITH COMPLETE PERFORATIONS (very rare!!), on fragment with B.Aires 1/NO/1866 cancel, excellent! (Image)

GJ.26, 5th printing, attractive purple color, with "CORREOS DE PLAZA DEL PARQUE" cancel, very fine quality! (Image)

GJ.26, 5th printing, possibly THE BEST USED EXAMPLE in existence, absolutely superb! (Image)

Very long entire letter written in German (the text is probably as interesting as illegible, I could not read it, but apparently it deals with all the secrets to resolve any mistery of humanity!!), franked with example of 5th printing of excellent quality, and sent from B.Aires to Montevideo on 6/NO/1866, superb! (Image)

Folded cover dated 25/JA/1867 sent to B.Aires by steamer "Villa del Salto" and franked with typical example of 5th printing of excellent quality, with mute oval cancel of GUALEGUAYCHÚ in blue (+30%) ON the stamp, excellent quality, rare! (Image)

GJ.33e, 7th printing WITH COMPLETE PERFORATIONS all around (right sheet margin), DIRTY PLATE variety, superb example, very rare, signed by Victor Kneitschel on back! (Image)