Potosi, Bolivia, cob 8 reales, 165(1-2)(O or E), with crowned-O countermark on cross.KM-19b; Cal-Type 327.22.11 grams.Full countermark (scarce) on double-struck cross, nearly full crown and shield (also slightly doubled) clear 165 of date, light toning and surface corrosion, large edge-split. Despite the doubling, the bottom-right castle shows a very clear dotted archway indicative of a brand-new castle punch that accompanied a change of style in 1651. From: Capitana, sunk in 1654 off Chanduy, Ecuador
($200-300)