Watch List notes:

Potosi, Bolivia, cob 4 reales, 1677E. S-P37b; KM-25; CT-502. 10.23 grams. Corroded with partial cross and pillars visible, one and a half dates (tops of 77 below cross). With HRC photo-certificate #5182. Recovered from: Consolacion, sunk in 1681 off Santa Clara Island, Ecuador
(100 - 150 USD)