One or two sentences about the coin but this one is not from Bukhara.
This image is of the Han coin, not an altarpiece from a monastery.
From a palace in Amman, the artwork shows a combination of Byzantine and Umayyad traditions.
The image is of the Han coin, not the monastery relic.
These are protruding faces in the Byzantine style in a Umayyad palace in Jordan.
Depicting the Umayyad Caliph hosting past famous rulers from the lands that were now under the Caliph's rule was a way to present the power of the Umayyads.
The mosaic shows a combination of Byzantine and Sasanian styles. The moasaic also represents characteristic that the Umayyad Caliphs valued.