Potosi, Bolivia, cob 4 reales, Philip III, assayer not visible, Grade 4. KM-9. 7.84 grams. Corroded surfaces with typical silvery appearance from cleaning after salvage. With original Fisher tag and certificate 86A-189252, pedigreed to the J.P. Silberman Estate. Recovered from: Atocha, sunk in 1622 west of Key West, Florida.
Estimate: $200 - $300