Potosi, Bolivia, cob 8 reales, 1664E. S-P37a; KM-21; CT-453. 19.87 grams. Good full cross with 664 date below and king's ordinal IIII in legend, corroded pillars, nicely toned all over. Recovered from: Consolacion, sunk in 1681 off Santa Clara Island, Ecuador
($150-225)