Watch List notes:

Potosi, Bolivia, cob 4 reales, Philip III, assayer not visible, Grade 4. KM-9. 5.42 grams. Thin and with irregular edges from saltwater corrosion, some shield and cross detail still visible though. With original Fisher tag and certificate 86A-135645, pedigreed to the J.P. Silberman Estate. Recovered from: Atocha, sunk in 1622 west of Key West, Florida.

Estimate: $200 - $300