Miliaresion
The miliaresion (, from ), is a name used for two types of Byzantine silver coins. In its most usual sense, it refers to the themed flat silver coin struck between the 8th and 11th Century. History
Originally, the name was given to a series of silver coins issued in the 4th century that were struck 72 to the pound and were the equivalent of 1,000 nummi. Thereafter and until the 7th century, the Byzantines did not get regularly circulate silver coins, although there were a very small number of commemorative issues struck. In the 7th century, a miliaresion was an alternative name possibly given to a variation on the short-lived hexagram coin minted during the time of Heraclius and Constans II. From , this variant coin, broader and thinner than the hexagram, was instituted by Leo III the Isaurian (). The new coin, for which the term miliaresion is usually preserved among numismatists, was apparently struck 144 to the pound, with an initial weight of circa 2.27 grams, although in the Macedonian period that increased to 3.03 grams (i.e. 108 coins to the pound).. The design of the coins bears a striking resemblance to a series of silver coins minted in the previous century by the Persian Sassanid Empire, which were later copied by the islamic Umayyad Caliphate. It is from the latter's influence that it seems the Byzantines drew inspiration to adopt the new design, particularly in light of the Isaurian dynasty's iconoclastic policies. Like the contemporary silver dirham of the Caliphate, the miliaresion featured initially no human representations, sporting instead the names and titles of a single emperor or emperors on the reverse and a cross on steps on the obverse. In the first century of the miliaresions issue, it appears to have been struck solely as a ceremonial coin on the occasion of the appointment of a co-emperor, and hence always features the names of two Byzantine emperors. Only from the reign of Emperor Theophilos () did the coin become regular issue, struck throughout an emperor's reign. In the 10th century, Emperor Alexander () introduced a bust of Christ on the obverse, and Romanos I () added an imperial bust to the center of the cross. Shortly thereafter, the earlier cross potent of Late Antiquity was transformed into a newer, radiant cross-crosslet, often with flanking portraits of the reigning co-emperors (such as those found on the miliaresia of Romanos I and Constantine VII, or those of Basil II and his brother Constantine VIII). The transformation continued in the mid-11th century, when images of an emperor, Christ, and the Theotokos all appeared on the coin together. By the mid- 1060s, the diversity of the images culminated in several examples depicting a reigning empress appearing alongside her emperor, which appears to have begun under Constantine X Doukas and Eudokia Makrembolitissa, due to the latter's heavy influence on the court. However, by the middle of the 11th century, due to a debasement of the currency begun by Romanos III Argyros, 2⁄3 and 1⁄3 fractions of the miliaresion also began to be minted, and the military and financial collapse that occurred primarily under the Doukas dynasty in the 1060s and 1070s severely affected the quality of the coin. By the 1080s, the coin fell out of prominence, and only a few rare examples exist from the reign of Alexios I Komnenos (). It was discontinued after 1092 (due to Alexios I's currency reform), but remained as a money of account, equal to 1⁄12 of a nomisma. Following the reform, it was replaced by a low-grade billon trachy cup coin, initially worth a quarter of a miliaresion, but over the following century it was significantly devalued, especially after the collapse of the Komnenian dynasty following the death of Manuel I Komnenos in 1180. The miliaresion appears to have been mostly forgotten by the 13th century, especially after the Sack of Constantinople in 1204, but was in some ways revived in the form of the basilikon, a flat silver coin issued in the Palaiologan-era empire from roughly 1300 onward. After the fall of the Byzantine Empire by the latter half of the 15th century, the name of the miliaresion survived as a relic in Western European languages, where the term milliarès was used for various kinds of Muslim silver coins. Gallery

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Further reading

Coins of the Byzantine Empire
Silver coins
Leo III the Isaurian