GJ.1, Un Real blue, type 5, pen cancelled, very nice (Image)

GJ.6, 2c. ocher-yellow, pen cancelled, with different ink load in different areas, excellent (Image)

GJ.7, 3c. dark blue, type 4 (Image)

GJ.7, 3c. dark blue, type 2 (Image)

GJ.7, 3c. dark blue, with original gum, defect partially repaired (Image)

GJ.7, 3c. dark blue, type 5 (Image)

GJ.7, 3c. dark blue, very inky impression, with 9-bar cancel of Corrientes, minor faults (Image)

GJ.16, 3c. dull rose, block of 4 with types 3 - 4 / 7 - 8, very fresh and of excellent quality, MNH (Image)

Block of 8 FORGERIES on blue paper, some with minor defects (Image)

Block of 8 FORGERIES on yellow paper, minor defects (Image)