Potosi, Bolivia, cob 8 reales, Philip III, assayer not visible, no Grade on certificate. KM-10. 25.17 grams. Good full shield and cross, no corrosion except on small part of edge, toned in crevices. With Fisher tag and photo-certificate 85A-213436. From: Atocha, sunk in 1622 west of Key West, Florida
($400-600)