Watch List notes:

Potosi, Bolivia, cob 8 reales, (16)50O, with crown-alone countermark (rare variety) on cross. S-P35; KM-19b; CT-509. 26.78 grams. Exceptionally broad flan with full shield and cross-and-tressure, full P-O and 8-O, bold 50 of date, most of countermark in center, minimal corrosion, slightly wavy flan. With certificate from the salvagers. Recovered from: Capitana, sunk in 1654 off Chanduy, Ecuador
(400 - 600 USD)