Watch List notes:

Potosi, Bolivia, cob 8 reales, 1661E, with 600-reis countermark of Brazil (1663) on cross, rare. Gomes-4.01 (countermark); KM-19.2 (host KM-21). 23.92 grams. Full pillars-and-waves with two full dates, full cross with bold full crowned-600 countermark, light surface corrosion. Pedigreed to the Charles Eidel collection, with certificate. Recovered from: Association, sunk in 1707 off the Isles of Scilly, southwest of England ($300-450)