Watch List notes:

Potosi, Bolivia, cob 8 reales, Philip III, assayer B, rare with king's ordinal visible. 20.76 grams. Despite the moderate to heavy surface corrosion (as probably from the Atocha or Santa Margarita of 1622), this coin is attractive and quite important, as it shows full inner details (cross-and-tressure, shield and P-B) and a very clear king's ordinal III, also nicely toned (XF details).

Estimate: $175 - 250