Potosi, Bolivia, cob 8 reales, Philip III, assayer T, upper half of shield transposed, Grade 3. S-P21; KM-10. 17.35 grams. Darkly toned, full shield and cross despite moderate corrosion all over, bold assayer T. With original Fisher tag and certificate 86A-189807, pedigreed to the J.P. Silberman Estate.Recovered from: Atocha, sunk in 1622 west of Key West, Florida.