Watch List notes:

Potosi, Bolivia, cob 4 reales, 1740 M. S-P47; KM-30a; Cal-1197. 13.14 grams. Chunky flan with bold full pillars and cross (the latter doubled), three clear dates (rare thus), lightly toned XF+. Pedigreed to the Jorge Ugaz collection.
($250-375)