Lot of five Potosi, Bolivia, cob 8 reales, Philip III, various assayers (where visible), all Grade-3 quality (10 to 12 points each), with hand-signed certificates from 1975-1980. KM-10. 94.18 grams total. Three solid (19 grams and higher), two more heavily corroded, but all with clear shields and crosses. With original, hand-signed photo-certificates from 1975-6 (4, Cape Coral Bank) and 1980 (1) numbered 1125, 2486, 2598, 2624 and 2748. SEE INTERNET FOR PHOTO. Recovered from: Atocha, sunk in 1622 west of Key West, Florida (Estimate: $1250 - 2000)