Watch List notes:

Potosi, Bolivia, cob 8 reales, 164(?), assayer not visible, with crowned-L countermark on cross. KM-19b. 19.87 grams. Dark and corroded but with full countermark and bold 64 of date, king's ordinal IIII, most of shield and cross. With MAREX tag #91-8R-1040. Recovered from: Maravillas, sunk in 1656 off Grand Bahama Island
($250-375)