Watch List notes:

Potosi, Bolivia, cob 8 reales, 1666E. S-P37a; KM-21; CT-455. 27.02 grams. Broad flan with flat spots but no corrosion, toned all over, parts of all three dates. Recovered from: Unidentified ca.-1671 wreck in Seville Harbor, Spain
(125 - 200 USD)