Watch List notes:

Potosi, Bolivia, cob 8 reales, 1660E. S-P37a; KM-21; CT-448. 24.82 grams. Choice full pillars-and-waves and crown, good full cross with king's ordinal IIII in legend, two dates and mintmarks, three assayers, deeply toned and thin but not overly corroded. Pedigreed to the Charles Eidel collection, with hand-signed Daniel Frank Sedwick photo-certificate from 1997. Recovered from: Unidentified ca.-1671 wreck in Seville harbor ($175-250)