Watch List notes:

Potosi, Bolivia, cob 8 reales, 1737 E. S-P46; KM-31a; Cal-1573. 27.22 grams. AU grade with lots of sharp detail (full cross and pillars, more legend than usual) but double-struck and with spots of green encrustation and black oxidation, all three dates and mintmarks and assayers visible (rare thus). Pedigreed to the Jorge Ugaz collection.
($300-450)