MEXICO. 8 Reales, 1763/2-MM. Charles III (1760-88). PCGS AU-55 Secure Holder.KM-105; Cal-Type 101 (overdate unlisted); Gil-M-8-43b; FC-42a. Single arc crown. RARE assayer for this date. Well struck with a bold overdate visible without the aid of magnification. Lovely yellow-grey tone highlighted with blues and reds amongst the legend.