Potosi, Bolivia, cob 8 reales, 16(4)9O, with crowned-dot-F-dot countermark (2 dots) on shield. S-P35; KM-19b; CT-506. 25.00 grams. Good full cross, full but slightly off-center shield and crown with nearly full countermark, light surface corrosion in places. With Marex tag #91-8R-0561. Recovered from: Maravillas, sunk in 1656 off Grand Bahama Island (Estimate: $350 - 500)