Watch List notes:

Potosi, Bolivia, cob 8 reales, 1651E, with crowned-L countermark on cross. S-P36; KM-19b; CT-511. 26.91 grams. Choice full countermark near edge, full but slightly doubled shield and cross, full date and king's ordinal IIII, no corrosion, uneven toning. With Marex tag #91-8R-0062. Maravillas, sunk in 1656 off Grand Bahama Island

Estimate: $350-500