Please note the following information reported by historians numismatics. It turns out that in the Middle Ages' Western Europe did not try to compete with the Byzantines and the Muslims in this case (ie, in the minting of coins - Ed.) She renounced any claim to the regular production of gold coins and minted mainly silver " from. 20; . It further states: "The regular issue of gold has virtually ceased in Western Europe in the 8th century, and in the Italian peninsula - in the second half of the same century. Even in Muslim Spain was struck NOT ANY GOLDEN between the beginning of the 8th century and the beginning of the 10th ", p. 20.