Watch List notes:

Mexico City, Mexico, 4 reales, Charles-Joanna, "Late Series," assayer O to right, mintmark oM to left (oM-O). Nesmith-110b; CT-88; S-M10. 12.98 grams. Nice round flan with good pillars and shield, nearly full legends, XF with very light surface porosity and patchy toning. (Estimate: $250 - 375)