Watch List notes:

Potosi, Bolivia, cob 8 reales, 165(0-1)O, with pentagonal crowned-1652 countermark on cross (very rare). S-P35; KM-19b. 21.19 grams. Small flan due to thinning from corrosion but with bold full details including 165 of date and king's ordinal IIII, the countermark a bit light but clear, nicely toned. Recovered from: Capitana, sunk in 1654 off Chanduy, Ecuador

Estimate: $700