Bolivia, Atocha, ND, 8 Reales, VF; Bolivia, Atocha, ND 8 Reales, VF, Philip III, Potosi mint. Assayer R. KM-10; Cal-912. Silver, 25.3 grams, 38.9mm. Some nice details on the cross and shield. Salt water corrosion present. full P With original Fisher tag. TSI85A-260730. The shipwreck Atocha sunk in 1622 west of Key West, Florida.