Watch List notes:

Santo Domingo, Dominican Republic, copper 4 maravedis, Charles-Joanna, assayer F to left, denomination 4 to right, mintmark S-P, with key countermark on pillars side denoting devaluation to 2 maravedis (1577). S-SD1; KM-45; Cal-33. 3.45 grams. Bold pillars with choice full countermark and clear mintmark, clear assayer and denomination on other side as well, dark brown Fine with traces of verdigris.

Estimate: $100 - $150