Watch List notes:

Potosi, Bolivia, cob 8 reales, Philip II, assayer B (5th period), borders of x's. 27.31 grams. Richly old-toned AXF with choice full shield and cross, bold P-B and denomination, full king's name and lack of ordinal (very close in time and style to the Philip III issue).

Estimate: $200 - 300