Mexico City, Mexico, 4 reales, Charles-Joanna, "Late Series," assayer A to right, mintmark M to left (M-A), NGC AU 55. Nesmith-58 type; CT-79; S-M6. 13.35 grams. Full legends and interiors with small amount of corrosion on shield side, otherwise problem-free. NGC #4427728-082.
Estimate: $600-900