Argentina, Specialized Rivadavia Issues, 1864-1872, astonishing display neatly arranged in stockbook, about 800 stamps each with tag identifying the cancel, most with premium % noted for the cancel, papers, shades, perfs or imperf, a few unused included, a treasure trove for the specialist, very high catalog value, please inspect closely. Estimate  $3,000 - 4,000. $0 (Image)