Watch List notes:

Potosi, Bolivia, cob 8 reales, Philip III, assayer C or C/Q, rare. S-P16; KM-10. 27.36 grams. Doubled shield with full and clear open-sided C showing possible trace of tail of Q, full king's ordinal III in legend, full but doubled cross-and-tressure, AVF with uneven toning. (Estimate: $150 - 225)