Watch List notes:

Potosi, Bolivia, cob 8 reales, 1669E. S-P37b; KM-26; CT-344. 27.03 grams. Full pillars (doubled) and cross, three dates, darkly toned but corrosion-free, hairline edge-split. Unidentified ca.-1671 wreck in Seville Harbor, Spain

Estimate: $200-300