Watch List notes:

Potosi, Bolivia, cob 8 reales, (1650-1)O, with crowned-PH countermark on cross. S-P35; KM-19b. 20.17 grams. Full countermark at very edge outside bold full cross, shield and crown also full but slightly doubled, with full P-O and 8-O, light surface corrosion and toning. With Marex tag #91-8R-1197. Maravillas, sunk in 1656 off Grand Bahama Island

Estimate: $300-450