Watch List notes:

Potosi, Bolivia, cob 4 reales, 1751 q. S-P52; KM-39; Cal-405. 13.40 grams. Small chunky flan with full pillars and nearly full cross, two bold dates and assayers, XF with silvery sheen coated with uneven toning. Pedigreed to the Jorge Ugaz collection.
($200-300)