Watch List notes:

Potosi, Bolivia, cob 8 reales, 1691 VR. S-P40; KM-26; Cal-734. 22.89 grams. Smooth and flat surfaces from corrosion and wear (a signature of this wreck in a high-energy ocean environment) but with bold waves, two dates, one castle and one assayer, toned in crevices. From: Association, sunk in 1707 off the Isles of Scilly, southwest of England
($200-300)