Watch List notes:

Mexico City, Mexico, cob 4 reales, Philip II or III, assayer F below mintmark oM to left (not visible), assayer oD below denomination 4 to right (F-oD), rare. 9.81 grams. Moderately corroded and darkly toned, with full but weak shield and cross, bold 4-oD to right. Recovered from: "Rill Cove wreck," sunk ca. 1618 off Cornwall, England (Estimate: $150 - 225)