Mexico City, Mexico, 4 reales, Charles-Joanna, "Late Series," assayer O to right, mintmark oM to left (oM-O). Nesmith-110b; S-M10; CT-88. 12.58 grams. Exceptionally broad flan for the assayer, with bold full inner details and nearly full legends, toned AU with very light surface porosity, slightly crude around edge (as made). ($350-500)