Watch List notes:

Potosi, Bolivia, cob 4 reales, Philip III, assayer Q, Grade 3. S-P17; KM-9; Cal-770. 9.95 grams. Full shield and cross and P-Q despite moderate to heavy corrosion, lightly toned. With Fisher tag and certificate #147350 (mis-attributed as an 8R).Recovered from: Atocha, sunk in 1622 west of Key West, Florida
($250-$375)