GJ.26, Alvear 25c. carmine, mint, excellent (Image)

GJ.32, San Martín 24c. with rose overprint, with EXCESS INK variety (very dirty impression), very attractive! (Image)

GJ.34, 90c. Saavedra with red overprint, mint without gum, very fine quality, rare! (Image)

GJ.481, about 60 used blocks of 4 with varied cancels, for example: Barra Concepción(single and double circle), Puerto Madryn, Santo Tomé, Puerto Bermejo, Puerto Santa Cruz, Villa Constitución, Monte Caseros, Tigre, Barranqueras, Pueblo Brugo, Puerto Victoria, etc etc, very fine general quality, unusual lot! (Image)

GJ.664a, 50c. Petroleum well, INVERTED OVERPRINT variety, MNH (+50%), also with offset impression on back, excellent quality, rare! (Image)

GJ.664a, 50c. Petroleum well, INVERTED OVERPRINT variety, MNH block of 4 (+50%), also with offset impression on back, excellent quality, rare! (Image)