Mexico City, Mexico, 4 reales, Charles-Joanna, "Late Series," assayer A to right, mintmark M to left, encapsulated NGC AU 55. Nesmith 58 type; S-M6; KM-18; CT-79. Broad flan with choice full details including legends, the shield side slightly off-center but otherwise nearly perfect, also attractively toned all over.
Estimate: $700 - 1000