MEXICO. 8 Escudos, 1760-Mo MM. Mexico City Mint. Charles III. PCGS Genuine--Damage, EF Details. Fr-25; KM-153; Cal-1977. Emanating from a brief two-year issue featuring the initial bust of the new king in a smaller format than it would eventually come to be represented, this <strong>SCARCE</strong> type exhibits an interesting countermark behind the shoulder and taking the form of a cruciform pattern composed of four annulets.