Charles-Joanna, "Late Series"
Mexico City, Mexico, 4 reales, Charles-Joanna, "Late Series," assayer O to right, mintmark oM to left (oM-O).Nesmith-110b; Cal-88; S-M10; KM-18.13.10 grams.XF with flat spots on a crudely uneven flan, somewhat silvery.
Estimate: 350-500 USD