Watch List notes:

Mexico City, Mexico, cob 8 reales, Philip II or III, assayer F below mintmark oM to left, assayer oD below denomination 8 to right (F-oD), rare. 18.76 grams. Moderately corroded all over but with clear full shield and cross, oM mintmark, faint traces of F to left and oD to right, darkly toned. Recovered from: "Rill Cove wreck," sunk ca. 1618 off Cornwall, England (Estimate: $200 - 300)