GJ.35 + 36, on fragment with complete cancel ESTAFETA DE COPACABANA (Catamarca) in blue, perfectly applied, excellent quality, very rare!! (Image)

GJ.36, pair with cancel of CHUMBICHA (Catamarca), VF quality, very rare! (Image)

GJ.36, pair with cancel of CHILECITO (La Rioja), VF quality, rare! (Image)

GJ.38, with the rare MAILBOX "14" cancel, VF quality! (Image)

GJ.38, with blue mute cancel of NOGOYÁ, excellent quality, rare! (Image)

GJ.38, with the rare MAILBOX "15" cancel, VF quality! (Image)

GJ.38, on fragment with double circle GUALEGUAY cancel without date, excellent! (Image)

GJ.38, with the rare MAILBOX "15" cancel, VF quality! (Image)

Cover sent to Mendoza, franked by GJ.38 with mute cancel of SAN LUIS, along datestamp for 10/NO/1871, excellent quality! (Image)

Folded cover dated "Villa Mercedes 6/AP/1870" sent to Rosario, franked by GJ.38 and cancelled by "CORREO NACIONAL - FRANCA - DEL MORRO" oval, excellent quality! (Image)

GJ.38, franking an entire letter sent from Buenos Aires to Santa Fe on 20/MAR/1869, with mute "CIRCLE OF 6 IRREGULAR WEDGES" cancel and datestamp with Maltese cross, very scarce and attractive! (Image)

GJ.42, 1867/73 30c. Alvear with double mute ponchito cancel, very late use of this mark, VF quality, rare! (Image)

GJ.44, 1867 90c. Saavedra, postally used block of 6 (NOT expedición cancel), VF and rare! (Image)

GJ.48, with datestamp of MERLO, superb and rare! (Image)

RARE CANCEL: GJ.48, 1876 5c. rouletted with rare "ADMON...." cancel in triple circle WITH DATE, blue, very fine quality! (Image)

GJ.49 (+ some GJ.54,54B), over 70 used examples with varied cancels, many very scarce and interesting, for example: Estación Lima, Castelli, Belgrano, Villa Nueva, several traveling PO, etc. The general quality is very fine, good opportunity at low start! (Image)

GJ.49, 2 examples with semi-mute cancels of URUGUAY, VF quality, rare! (Image)

Cover sent to Buenos Aires on 22/SE/1877 franked with 8c. (GJ.49), with rectangular datestamp of GUALEGUAYCHÚ, VF quality! (Image)

GJ.50, 35 used examples with varied cancels, many very scarce and interesting, for example: Barracas al Sud, Bahia Blanca, Magdalena, Rauch, Balcarce, Barracas al Norte, Mercedes, Mercedes, Cañuelas, Chacabuco, Patagones, etc. The general quality is very fine, good opportunity at low start! (Image)

GJ.51, 1876 Velez Sársfield 20c. rouletted, 3 stamps (pair + single) franking a registered cover with AR sent from Buenos Aires to Germany on 1/SE/1892, with arrival backstamp of 28/SE. Very rare and spectacular, possibly the largest quantity of this stamp on cover, with Alberto Solari certificate. (Image)

GJ.59f, small P, block of 4 with variety "Diagonal overprint and PROVISORIO at top", excellent quality, very rare! (Image)

GJ.71a, block of 4 with variety "½ at top" (strongly shifted overprint), with lower sheet margin (the bottom stamps are MNH, the top stamps lightly hinged), superb, spectacular and rare! (Image)

GJ.72h, block of 4 with variety: INVERTED overprint, excellent and rare! (Image)

GJ.79, 7 unadopted essays, all different (6 imperforate), excellent group, rare! (Image)

GJ.86PH, 1888 6c. Sarmiento, vertical pair IMPERFORATE BETWEEN, excellent quality, rare! (Image)