The production of coins seems to follow the location of the Imperial court at the time; for instance, the concentration of Trier coins is much greater after 367, perhaps associated with Gratian moving his court to Trier.
硬币的制造似乎与当时朝廷的位置有关，例如，特里尔硬币主要是在367年之后打制，可能与格拉提安迁都特里尔有关。