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). 13.54 grams. Nice full shield, bold full cross (doubled), but best feature is bold P-erasure-C with clearest view inside the erasure that we have ever seen, with certain B on top and probably L/L/M within the erasure, VF+ with minor (old) scratches. (Estimate: $750 - 1100)