Lot of 8 Potosi, Bolivia, cob 8 reales, assayers O and E (1649-52), with various countermarks. KM-19b. 136.03 grams total. Moderate to heavy corrosion but with generally clear details and mostly well toned. Recovered from: Capitana, sunk in 1654 off Chanduy, Ecuador
Estimate: $500 - 750