Lot of four Potosi, Bolivia, cob 8 reales, Philip III, various assayers (where visible), all Grade 2. KM-10. 83.92 grams total. Mostly nice but some with edge-loss, good full shields and/or crosses. With Fisher certificates #188410, 189122, 189588 and 203474. SEE INTERNET FOR PHOTO. Recovered from: Atocha, sunk in 1622 west of Key West, Florida (Estimate: $1250 - 2000)