Mexico City, Mexico, 4 reales, Charles-Joanna, "Early Series," assayer R (Latin) at bottom below pillars, PLVS in rounded panel, encapsulated NGC XF 40. Nesmith-6 for type / 6a; S-M1; CT-71. Broad flan with all details full and richly toned all over, the shield slightly doubled. ($2500-3750)