GJ.1033, 5c. José Hernández, study of the issue on 3 exhibition pages, including varieties for examples marks of page positions, marks produced by the machine that removed the sheets during the printing process, imperforate block of 6, one left label (rare!), and more, most MNH and of very fine quality! (Image)

GJ.1033P, 5c. José Hernández, IMPERFORATE BLOCK OF 4 of VF quality! (Image)

GJ.1033, 5c. José Hernández, extremely rare PHOTOGRAPHIC PROOF, excellent! (Image)

GJ.1034, 20c. San Martín on chalky paper, block of 6 showing an interesting impression of 2 stamps very misaligned with respect to the others (shifted upwards), rare! (Image)

GJ.1034, 20c. San Martín, block of 6 with STEPPED PERFORATION variety at top, also the bottom right stamp with ARGFNTINA var., VF quality! (Image)

GJ.1034b, corner block of 8, the left stamps with VERY DEFECTIVE IMPRESSION, excellent quality, fantastic! (Image)

GJ.1034CA, with TOP LABEL (almost white), MNH, excellent quality, very rare! (Image)

GJ.1034, vertical pair, end-of-roll double paper, VF! (Image)

GJ.1034P, used IMPERFORATE example, VF quality, very rare! (Image)

GJ.1034, 20c. San Martín, 3 imperf pairs, proofs in the adopted color and green and blue, VF quality! (Image)

GJ.1035, 20c. San Martín on unsurfaced paper, 2 exhibition pages with 4 blocks of 4 with varieties, very fine quality, very attractive group! (Image)

GJ.1035CA, 20c. San Martín printed on unsurfaced paper, with label at top and IMPERFORATE, very rare, VF quality! (Image)

GJ.1035P, IMPERFORATE block of 4, also with notable paper fold, very fine quality! (Image)

GJ.1036 + 1037 + 1038, 20c. Guillermo Brown types A, B and C, study of the issue on 7 album pages, including many varieties (for example IMPERFORATE, paper folds, complete double impression, shifted perforation, labels, end-of-roll double paper, and more), almost all MNH and of excellent quality, great opportunity! IMPORTANT: please view all the photos, because all the items have been scanned. (Image)

GJ.1036a, block of 4, 2 stamps with VERTICAL LINE WATERMARK, VF quality! (Image)

GJ.1036, corner block of 4 with PERFORATION VARIETY at bottom left, VF! (Image)

GJ.1036, corner block of 6 with perforation variety (salto de peine), very notable! (Image)

GJ.1037d, 20c. Brown, strip of 3 on gaufre paper (papel gofrado), the left example with notable PAPER FOLD, VF! (Image)

GJ.1037P, IMPERFORATE block of 4, VF quality! (Image)

GJ.1037P, 20c. Brown, IMPERFORATE PAIR, excellent quality! (Image)

GJ.1037, block of 4 with notable perforation variety at top, fantastic! (Image)

GJ.1037, 3 blocks of 4 from different printings, one stamp in each with "GVILLERMO" variety (position 161), VF quality! (Image)

GJ.1038CD, block of 4 with RIGHT LABELS, VF! (Image)

GJ.1038CD, 20c. Brown type C, pair WITH RIGHT LABEL, VF quality! (Image)

GJ.1038, strip of 5 with END-OF-ROLL DOUBLE PAPER variety, VF quality! (Image)