Watch List notes:

Potosi, Bolivia, cob 4 reales, (1)618, assayer not visible. KM-9. 10.80 grams. Good full cross-and-tressure bottom half of 618 of date, the shield rather corroded, darkly toned. With certificate from the salvager. Recovered from: Sao Jose, sunk in 1622 off Mozambique, east of Africa
($100-150)