Watch List notes:

Potosi, Bolivia, cob 8 reales, 1638(TR), rare. S-P27; KM-19a; CT-481. 26.83 grams. Clear 638 of date outside full but doubled cross, full shield with flat areas, thick flan with minimal surface corrosion, gunmetal toning. With (generic) certificate and insert-tag #329. Recovered from: Concepcion, sunk in 1641 off Hispaniola
(250 - 375 USD)