The Triumph of Probus
Reverse:
ADVENTVS AVG The emperor Probus on horseback facing left raising right hand, spear in left hand, no captive on ground. Obverse: Bust of Probus facing left holding eagle - tipped sceptre.
Obverse:
Cuirassed bust of Probus facing left holding an eagle - tipped sceptre.
The coin is listed in David Sear's Roman Coins and their Values as s3379.