Okay, here a coin I just won. The reverse type looks like VICTORIA AVGG, a type only issued by Valentinian III and I'm actually selling one today.
But the reverse ends with what looks like an M, definitely not GG.
Plus, Valentinian III never issued from Trier. Perhaps a barbaric copy of an earlier VICTORIA AVGG NN, supposed to be Constans and a single victory but poorly executed.
The bust looks earlier, but the reverse is very clearly one associated with Valentinian III.


Could be Vandals or someone?