Watch List notes:

Potosi, Bolivia, cob 4 reales, Philip II, assayer B (2nd period). S-P6; KM-4.2; CT-Type 229. 13.50 grams. Very broad flan with full crown and much legend, bold P-B (the B probably modified from an L), full but weaker shield and cross, Fine+ with uneven toning. ($200-300)