Potosi, Bolivia, cob 8 reales, (1651)O, with crowned-L countermark on cross. S-P35; KM-19b; CT-510. 24.80 grams. Very bold full countermark and full P-O and 8-O with dots all around, full but partially weak shield and cross, lightly toned, with minimal corrosion at edge only. With Marex tag #91-8R-0516. Recovered from: Maravillas, sunk in 1656 off Grand Bahama Island (Estimate: $300 - 450)