Lot of two Potosi, Bolivia, cob 8 reales, Philip III, assayers not visible, both Grade-4 quality but tags and certificates missing. KM-10. 37.16 grams total. Heavily corroded but with recognizable shields and crosses, toned all over. Recovered from: Atocha, sunk in 1622 west of Key West, Florida (Estimate: $100 - 150)