Watch List notes:

Potosi, Bolivia, cob 1 real, 1660E. S-P37a; KM-13; CT-1060. 1.93 grams. Bold full pillars-and-waves (off-center), good full cross, three dates, lightly corroded. With HRC photo-certificate #5115. Recovered from: Consolacion, sunk in 1681 off Santa Clara Island, Ecuador
(70 - 100 USD)