Potosi, Bolivia, cob 4 reales, Philip II, assayer B (5th period), borders of x's. S-P14; KM-4.3. 13.27 grams. Nice full shield and cross enhanced by contrasting toning, bold full P-B and denomination, nearly full crown but that area marred by a strange lacuna (as made), AVF overall.
Estimate: $125 - 200