CHARLES III (1759-1788). 8 Escudos. (Au. 26.97g/35mm). 1765. Mexico MF. (Cal-2019-1989). "Rat face" type. VF. 4-round countermark on obverse. Rare.
Between 1762 and 1772, and in up to seven different mints, these emblematic coins were minted, the bust of which is the work of Tomás Francisco Prieto. In the case of the Mexico mint, the last coins left its workshops a year earlier, in 1771, and we can find them with two different assayer marks, MM and MF. In addition, for this mint, there are also two different types of rat-faced busts (although in the first of them we find another subtype: those with the golden fleece to the right of the date and those with it on the chest).
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