Potosi, Bolivia, cob 8 reales, (1650-1)O, with crowned-L countermark on cross. S-P35; KM-19b. 27.18 grams. Superbly detailed full shield and cross with full countermark, fancy ornaments in legend, no corrosion but two edge-splits and some peripheral flatness, nice light toning. From the Maravillas Research Collection of Countermarked Potosi Cobs, with Marex certificate and tag #0243. Recovered from: Maravillas, sunk in 1656 off Grand Bahama Island ($250-375)