A nice example of this issue.
Obverse: the emperor’s head wearing a laurel wreath, facing right, with the legend on the rim:
IMP MAXIMIANVS P F AVG;
Reverse: A figure standing facing left, holding a balance and a cornucopia; the legend on the rim reads:
SACRA MONET AVGG ET CAESS NOSTR, with a “VI” in the right field, in the segment AQP;







