Watch List notes:

Potosi, Bolivia, cob 4 reales, Philip IV, assayer FR (ca. 1640). S-P28; KM-17a. 10.95 grams. Fine+ with partial shield and cross due to off-center striking on a crude planchet with a lacuna on the edge, light tan encrustation all over. Pedigreed to the Jorge Ugaz collection.
($125-200)