Lot of 4 Potosi, Bolivia, cob 4 reales, Philip III, various assayers (where visible), Grade-2 or -3 quality but certificates missing. KM-9. 42.32 grams total. Light to moderate corrosion but with clear shields and crosses. With Fisher tags #141771, 189837, 202944 and 245578. Recovered from: Atocha, sunk in 1622 west of Key West, Florida ($700-1000)