Xerxes I of Persia, also known as Xerxes the Great (519–465 BC), was the fourth king of the kings of the Achaemenid Empire. Xerxes I is likely the Persian king identified as Ahasuerus in the biblical book of Esther.

As you can see there is something wrong in this carving: the guy at the bottom right has his arms in an anatomically incorrect/impossible position.
The next picture shows the entire tableau, which makes clear that the guy should be facing left instead of right.