Watch List notes:

Mexico City, Mexico, 4 reales, Charles-Joanna, "Late Series," assayer O to right, mintmark oM to left (oM-O), encapsulated NGC AU 55. Nesmith-110b; CT-88; S-M10. Light rich toning (attractive), bold details, slightly off-center pillars with trifle doubling. (Estimate: $350 - 500)