Potosi, Bolivia, cob 8 reales, Philip III, assayer T (1618-9), Grade 1. S-P21; KM-10. 21.33 grams. Bold 161 of date and P-dot-T, nearly full shield and cross despite moderate peripheral corrosion and edge-loss. With Fisher tag and certificate 85A-187111, pedigreed to the RWB Reference Collection of Atocha dated cobs. Recovered from: Atocha, sunk in 1622 west of Key West, Florida
Estimate: 1000 - 1500 USD