Potosi, Bolivia, cob 8 reales, 1651E, Latin 5, with crowned-(?) countermark on shield. S-P36; KM-19b; CT-511. 24.93 grams. Bold date, very bold crown in countermark (letter below it not discernible), bold king's ordinal IIII, full and uncorroded cross, doubled and corroded shield, light toning. From the Maravillas Research Collection of Countermarked Potosi Cobs, with Marex certificate and tag #0535. Recovered from: Maravillas, sunk in 1656 off Grand Bahama Island ($300-450)