Watch List notes:

Mexico City, Mexico, 4 reales, Charles-Joanna, "Late Series," assayer R to left, mintmark M to left (R-M). Nesmith-74; S-M7; CT-90. 13.07 grams. Broad flan with full details, AU details but silvery from cleaning and with spots of black encrustation as from unspecified salvage. ($500-750)