Watch List notes:

Potosi, Bolivia, cob 4 reales, Philip II, assayer B (3rd period). S-P10; KM-4.2. 13.45 grams. Very broad flan (slightly out-of-round) with much legend and crown, choice full inner details (matching Sellschopp #159), AXF with spots of light toning in crevices.

Estimate: $250-375