Watch List notes:

Potosi, Bolivia, cob 8 reales, 1670E. S-P37b; KM-26; CT-345. 26.50 grams. Full pillars-and-waves (doubled) and cross with nice lions and castles, three dates including full 1670 in legend, darkly toned, no corrosion, edge-split. Unidentified ca.-1671 wreck in Seville Harbor, Spain

Estimate: $200-300