Potosi, Bolivia, cob 1 real, 1673E. S-P37b; KM-23; CT-709. 4.03 grams. Overweight with thick planchet, bold cross, pillars, and date. With ROBCAR photo-certificate #M180164. Recovered from: Consolacion, sunk in 1681 off Santa Clara Island, Ecuador
(70 - 100 USD)