Potosi, Bolivia, cob 8 reales, Philip III, assayer R (curved leg), no Grade on certificate. S-P15; KM-10; Cal-912. 20.82 grams. Oblong flan due to edge corrosion, bold cross, full shield, light toning, clear assayer (not mentioned on certificate). With Fisher photo-certificate 85A-196446 (tag missing). From: Atocha, sunk in 1622 west of Key West, Florida
($400-600)