Watch List notes:

Potosi, Bolivia, cob 4 reales, Philip III, assayer T, Grade 1. S-P21; KM-9. 13.37 grams. Excellent full shield and cross, both well centered and well detailed and with minimal doubling, full assayer, nicely toned, no corrosion. With Fisher tag and certificate #181523. Recovered from: Atocha, sunk in 1622 west of Key West, Florida
($600-900)