Watch List notes:

Potosi, Bolivia, cob 8 reales, 1651E, with crowned-dot-F-dot (four dots) countermark on shield. S-P36; KM-19b; CT-511. 21.62 grams. Bold countermark on full and well-detailed shield, bold full date outside of full cross, nicely toned but with light surface corrosion all over. With Marex tag #91-8R-1211. Maravillas, sunk in 1656 off Grand Bahama Island

Estimate: $350-500