Watch List notes:

Mexico City, Mexico, 4 reales, Charles-Joanna, "Late Series," assayer A/G to right, mintmark M to left (M-A/G), rare, encapsulated NGC AU 50. Nesmith-58 type; S-M6; CT-79. Broad flan with full details (slightly weak in places), lovely deep-rainbow toning, assayer A only barely visible, let alone A/G, but confirmed by die details (see previous lot). ($700-1000)