Potosi, Bolivia, cob 2 reales, 1667E.S-P37a; KM-16.4.05 grams.Bold pillars-and-waves with clear E-67-P across bottom, heavily corroded and off-center cross, nice toning in crevices.With ROBCAR tag and photo-certificate #2020233.Recovered from: Consolacion, sunk in 1681 off Santa Clara Island, Ecuador
Estimate: 100-150 USD