Watch List notes:

Paraguay (War of the Triple Alliance), 1 real, countermark "CO" within tooth-edged box (1865-70) on a wavy-edge 1/4 cut of a Potosi, Bolivia, 4 soles, rare, NGC VF 25, c/s XF standard ("top pop").Pratt-MC2 for cut, MR9 for c/m; KM-C2.3.52 grams.Very bold and full inward-facing countermark that takes up one entire side of the oddly-cut host, deeply toned all over, tied with one other for finest in NGC census, a rare and important emergency issue believed to have been made by the Compania Oriental of Paraguay during the war against the Triple Alliance of Argentina, Brazil and Uruguay in 1865-70.
($1000-1500)