Watch List notes:

Potosi, Bolivia, cob 4 reales, Philip III, assayer T, Grade 1, certificate missing. S-P21; KM-9. 13.25 grams. Choice, full, but double-struck cross and shield, no corrosion. With Fisher tag #191258 (certificate missing). Recovered from: Atocha, sunk in 1622 west of Key West, Florida ($350-500)