GJ.1, type 3, pen cancelled, very fine quality! (Image)

VERY RARE CANCEL: GJ.1, type 2, with an uncommon cancel possibly of EMPEDRADO, excellent quality, only one known! (Image)

GJ.3, blue, with DOUBLE mute 16-bar cancel of Corrientes, applied in opposite directions forming a grid, excellent and extremely rare! With Solari certificate (Image)

GJ.4, yellow-green, type 5, with mute "dotted" cancel of Corrientes, very fine quality! (Image)

GJ.4, yellow-green, type 12, used on small fragment with mute "dotted" cancel of Corrientes, very fine quality! (Image)

GJ.4, yellow-green, type 1, with light pen cancel, very fine quality! (Image)

GJ.4, yellow-green, type 3, with double cancellation: pen + mute "barred square" of Corrientes, excellent! (Image)

GJ.4, yellow-green, type 5, with mute dotted cancel of Corrientes, excellent! (Image)

GJ.5, bluish green, type 7, mint original gum (+50%), very fine quality! (Image)

GJ.5, bluish green, type 1, on small fragment with "FRANCA" cancel of Goya (+200%), very fine quality, good opportunity! (Image)

GJ.6, ocher-yellow, type 4, with mute barred cancel, very ample margins, excellent quality! (Image)

GJ.6, yellow, type 7, franking a folded cover of Mburucuya 23/JUL/1868 sent to Bella Vista, very attractive pen cancel of origin, VF quality. Signed by Alberto Solari (Image)

GJ.9, rose-lilac, type 6, with interesting pen cancel, light thin on back in the hinge area, very ample margins, superb front! (Image)

GJ.13, dull rose, type 4, pen cancelled, VF! (Image)

GJ.16, dull rose, beautiful used pair with types 3 and 4, with double circle datestamp of Corrientes, VF! (Image)

First reprint of year 1879, 2 blocks of 8 in different colors, very fine quality, interesting! (Image)