Watch List notes:

Potosi, Bolivia, cob 4 reales, Philip II, assayer B (1st period). S-P4; KM-4.2. 12.87 grams. Broad flan with choice full crown and shield, full but slightly doubled cross, tiny mintmark and probable B/L, VF with light surface corrosion as from unspecified salvage (Atocha?), odd squarish dents at edge on reverse, nicely toned around details. (Estimate: $100 - 150)