Watch List notes:

Potosi, Bolivia, cob 4 reales, Philip II, assayer C below erasure, very rare. S-P5; KM-4.2; CT-307 (under La Plata). 13.41 grams. Bold full P-erasure-C, well-detailed full shield and cross, full crown and most of legend, VF with contrasting toning, small hole at top of cross. ($400-600)