The Romans called such coins 'victoriati' because they always bore the image of goddess Victoria on their reverse, while the obverse featured the head of god Jupiter.
Victoria, the goddess of victory, is just about to crown a tropaion, a victory monument. Trophies were originally set up on the battlefield at the site where the enemy's phalanx had broken and run; the word derives from the Greek 'tropé' for 'turning point'.
Trophies were made from stakes on which arms and armors of the defeated foes were hung. In Roman times, however, they were no longer set up on the battle-sites but displayed in Rome itself.