Potosi, Bolivia, cob 8 reales, (1649-50)O, with crowned-T countermark (rare) on cross. S-P35; KM-19b. 24.52 grams. Bold (but off-center) full cross-and-tressure with full countermark, full shield, no corrosion, light toning, small edge-split. With Marex tag #91-8R-0257. Recovered from: Maravillas, sunk in 1656 off Grand Bahama Island (Estimate: $350 - 500)