Potosi, Bolivia, bust 1 real, Charles III, 1775 JR, NGC MS 63+, finest known in NGC census. Janson-66.3.1; KM-53; Cal-716. Broad flan with full rims, gorgeous full luster, traces of rainbow toning around details, far and away the finest graded by NGC (next best being AU 58).
Estimate: $200 - $300