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

GJ.36, with pen cancel of LORETO (Santiago del Estero), rare, excellent quality! (Image)

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

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

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

GJ.38, with the extremely rare cancel "EST. AMB. F.C.S. - C. a d. - 1" (Constitución a Domselaar), very fine quality, very rare! (Image)

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

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

STUDY OF CANCELS of Buenos Aires: Stockbook with over 360 stamps of 5c. Rivadavia of 1867 (GJ.38, it probably includes a GJ.37 but I do not guarantee it), very fine general quality. There are some interesting cancels, a good basis to study, ex-González Richeri (Image)

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

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

GJ.42, 1867/73 30c. Alvear with double mute ponchito cancel, very late use of this mark, very fine 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)

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

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.50, 1876/8 Belgrano 16c. rouletted with very shifted PERFORATION VARIETY, excellent quality, very rare! (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.53, with the rare CERTIFICADO cancel of Esquina (Corrientes), excellent quality! (Image)

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