Watch List notes:

Potosi, Bolivia, cob 4 reales, Philip II, assayer A. S-P11; KM-4.2; CT-346. 13.52 grams. Richly toned AXF with hint of luster, full but slightly doubled shield, the cross also full but with flat spots, full denomination and clear assayer. Pedigreed to the Ponterio auction of March 1983 (lot #239).

Estimate: $150 - 225