Watch List notes:

Mexico City, Mexico, 1/2 real, Charles-Joanna, "Late Series," assayer L to right, o to left and mintmark M below monogram (o-M-L). Nesmith-87d type; S-M9; KM-6.5; CT-unlisted. 1.64 grams. Broad flan with choice bold legends and weaker inner details (doubled on the K-I side), central scratches, nicely toned VF.

Estimate: $350