Watch List notes:

Potosi, Bolivia, cob 4 reales, Philip II, assayer B (3rd period). S-P10; KM-4.2. 13.68 grams. Full and bold P-B and denomination o-iiii outside of full and well-detailed but double-struck shield, the cross also choice and doubled but a bit less so, broad-flan XF with deeply toned fields.

Estimate: $100-150