Watch List notes:

Potosi, Bolivia, cob 4 reales, Philip IV, assayer P/T (ca. 1622), quadrants of cross transposed. S-P23; KM-17. 13.31 grams. Choice full shield with clear P*P/T to left and denomination o-IIII to right, nice full cross-lions-castles (slightly doubled), VF with attractively toned fields.
($100-$150)