Potosi, Bolivia, cob 8 reales, (1650)O, with crown-alone countermark on cross, encapsulated NGC genuine / La Capitana Shipwreck. S-P35; KM-19b; CT-509. Thin and small from edge-loss and corrosion but with bold full countermark on good full shield, bold assayer, nice toning. Recovered from: Capitana, sunk in 1654 off Chanduy, Ecuador
($250-375)