Watch List notes:

Potosi, Bolivia, cob 1/2 real, 1656, rare. S-P37a; KM-13; CT-1169. 1.07 grams. Bold Fine with light scratches but nice toning, full king's ordinal IIII below monogram-on-cross with dots (one-year type), full date to left of cross, holed near top.
($100-150)