Lot of five Potosi, Bolivia, cob 8 reales, Philip III, various assayers (where visible), all Grade-3 quality (12 to 13 points each), with hand-signed certificates from 1976. KM-10. 98.99 grams total. All fairly solid but corroded, lightly toned, with clear shields and crosses. With original, hand-signed photo-certificates from 1976 (Cape Coral Bank) numbered 2847, 2997, 3318, 3395 and 3687. SEE INTERNET FOR PHOTO. Recovered from: Atocha, sunk in 1622 west of Key West, Florida (Estimate: $1250 - 2000)