This 1788-Mo FM Spain Mexico 8 Real Silver World Coin featuring King Carlos III is a beautiful addition to any collection. The coin’s denomination is 8 Reales and it was minted during the Colonial period in Mexico. The fineness of the coin is. 896 and it is composed of silver. This coin is ungraded and its circulation status is unknown. It has not been certified, but it is in excellent condition and would make a great addition to any collection. The KM Number for this coin is 106.2a and it was manufactured in Mexico.