Watch List notes:

Potosi, Bolivia, cob 2 reales, (16)28, assayer not visible (T or P), rare, ex-Concepcion (1641), ex-Rudman. KM-14a. 5.97 grams. Broad, thin, non-round flan with excellent full shield and cross (slightly doubled), bold date, deeply toned XF+ with very light surface corrosion. From the Concepcion (1641), and pedigreed to the Isaac Rudman collection.
($250-375)