Watch List notes:

Mexico City, Mexico, copper 4 maravedis, Charles-Joanna, "Late Series," oM to left, o to right below K, oMo below I. 5.79 grams. Nicely toned VF on a full flan with a minimum of the usual surface corrosion, a few minor weak spots, above average for the scarce type.

Estimate: $300 - 450