GJ.664a, 1930 3.60P. Zeppelin with blue overprint, block of 4, the top stamps with DOUBLE OVERPRINT (one partial), fine to VF quality, extremely rare, catalog value US$750 (Image)

GJ.10A, IN Ps. light dun, type 30 on the Kneitschel reconstruction, with ponchito cancel, 4 complete and ample margins, superb, with Alberto Solari certificate. (Image)

GJ.11, IN Ps. blue, type 40 on the sheet, with blue ponchito cancel of San Nicolás, with 4 wide margins, superb example, with Alberto Solari certificate. (Image)

GJ.17, franking a folded cover dated "Crespo 8/JUN/1862", pen cancelled, to Buenos Aires Aires, interesting! (Image)

GJ.17A, 1P. INDIGO blue, fantastic example of very wide margins and good color, very fine quality! (Image)

GJ.20, 2P. blue, CLEAR IMPRESSION, franking a front of cover sent from Buenos Aires to Córdoba, minor defect not affecting its beauty, catalog value US$900, low start! (Image)

Stockcard with 17 varied Cabecitas, all with defects, very high catalogue value, good opportunity at low start! (Image)

Registered cover sent from Nueve de Julio to Buenos Aires on 6/NO/1947 franked with 30c. + cinderella of 5c. Monument to Descamisado (promoted by the Peronist Party), rare, VF quality! (Image)

GJ.1, 5c. blue, mint without gum and with tiny thin on back, front of excellent quality. We also include a 10c. forgery (Image)

GJ.1, 5c. blue, franking a folded cover + letter dated TULUMBA 12/MAY/1862 and sent to Córdoba, with "Fca" pen cancel, very nice and interesting. We CANNOT guarantee that the franking is original from this cover, because it is not one of the few pieces that Kneitschel discovered in an archive more than 70 years ago, but we can say that the stamp and the letter are genuine. The long text is very interesting, about family and commercial issues of the sender, low start (at only the value of the stamp!) (Image)

GJ.2, 1860 provisional stamp with goose quill stroke through the value, reconstruction of the block with the 8 different types, all genuine and guaranteed for life, VF general quality, catalog value US$940. (Image)

GJ.3, blue, type 8, franking a folded cover to Goya, VF quality! (Image)

GJ.6, yellow, franking a folded cover dated Mburucuyá 15/MAY/1870, sent to Bella Vista, very fine quality! (Image)

GJ.7T, dark blue, TETE-BECHE pair, mint with original gum (+50%), excellent quality! (Image)

GJ.11, rose, fantastic used example, wide margins, excellent quality! (Image)

Stockcard with 8 used or mint stamps, some of fine quality and others with minor defect, catalog value approx. US$180. (Image)

GJ.7A, 5c. with accent, SALMON-ROSE color (scarce!!), very nice example of 4 ample margins franking an entire letter sent from Rosario to Buenos Aires on 1/OC/1862, excellent quality, signed by Victor Kneitschel. (Image)

GJ.15, 5c. narrow C, red-rose, with bluish green OM cancel, wide margins, nice color, very thin paper, very fresh, excellent copy! (Image)

GJ.15, 5c. narrow C, dull red, used in Mendoza, wide margins, nice color, very fresh, excellent example! (Image)

GJ.1/4, Gauchitos, complete set of 4 values mint without gum, with small thins on back, good fronts! (Image)

Die essay of an unadopted design for the 1910 Revolution Centenary issue, 5P. San Martín, printed in greenish gray on paper with glazed front, excellent quality, rare! (Image)

Cover franked by GJ.36 alone, used in Buenos Aires, cancelled PLAZA 6 DE JUNIO 25/DEC/1886, excellent quality! (Image)

GJ.38, on an entire letter sent from Rosario to Córdoba on 30/SE/1873, excellent quality! (Image)

Folded cover dated 29/NO/1869, franked by GJ.38, with a spectacular mute "circle of 8 wedges joined in the center" cancel of CONCORDIA, superb, scarce! (Image)

GJ.38, with the very rare "carteria" cancel "J in rhombus", very fine quality! (Image)