Potosi, Bolivia, cob 1/2 real, 1666(?)E, dot-pomegranate-dot at top.S-P37a; KM-13; Cal-597.1.61 grams.Bold Philip IV monogram with 100% full dot-pomegranate-dot at top, clear 66 of date with last digit too weak to discern, choice full cross with dark, contrasting toning, minimal corrosion.With ROBCAR photo-certificate #M20194.Recovered from: Consolacion, sunk in 1681 off Santa Clara Island, Ecuador
Estimate: 60-90 USD