Watch List notes:

Potosi, Bolivia, cob 8 reales, 1675E. S-P37b; KM-26; CT-350. 25.48 grams. Full pillars and cross (the latter off-center), two dates, minimal corrosion, dark toning on fields, edge-split. Piedmont, sunk in 1795 off Cornwall, England

Estimate: $175-250