Potosi, Bolivia, cob 8 reales, 1665E. S-P37a; KM-21; CT-454. 23.96 grams. Typically solid and dark, with full but lightly corroded cross and pillars-and-waves, three dates (including full 4-digit date in legend). Pedigreed to the Charles Eidel collection. Recovered from: Piedmont, sunk in 1795 off Dorset, England ($200-300)