The miliaresion, 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.
Example of the first miliaresia, struck by Leo III (r. 717–741) to celebrate the coronation of his son, Constantine V (r. 741–775), as co-emperor. Notice the lack of any imagery except the cross.
A rare example of a hexagram of Theodosius III (r. 715–717), struck just a few years prior to the introduction of the miliaresion. Note the design of the hexagram's cross which was carried through when designing the miliaresion's obverse.
The dirham, dirhem or drahm is a unit of currency and of mass. It is the name of the currencies of Morocco, the United Arab Emirates and Armenia, and is the name of a currency subdivision in Jordan, L
Miliaresion
…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…
Silver dirham of Caliph Umar ibn Abd al-Aziz 718–719 CE
Silver dirham of Yazid II minted in 721–722 CE
Silver dirham of Marwan II ibn Muhammad 749–745 CE
Silver dirham of As-Saffah 754–758 CE