Potosi, Bolivia, cob 8 reales, (16)51E, with crowned-(?) countermark on cross. S-P36; KM-19b; CT-511. 26.74 grams. Mostly bold shield and cross despite flat areas, nicely toned, no corrosion, edge-split. With Marex tag #91-8R-0142. Recovered from: Maravillas, sunk in 1656 off Grand Bahama Island (Estimate: $350 - 500)