Watch List notes:

Potosi, Bolivia, cob 1 real, 1677E. S-P37b; KM-23; CT-713. 1.47 grams. Thin from corrosion but clear details, interesting flipover double-strike. With ROBCAR photo-certificate #M180147. Recovered from: Consolacion, sunk in 1681 off Santa Clara Island, Ecuador
(60 - 90 USD)