The Triumph of Probus
Obverse:
Draped bust of Probus facing right. This coin is very close to mint condition (FDC). The thin silver plating has taken a rich, honey - colored toning with a hint of the underlying grey billon showing through.
Reverse:
ORIENS AVG, XXI in exergue, r in field. Sol advancing left raising right hand and carrying lituus in left hand, leaf in right field.
The coin is listed in David Sear's Roman Coins and their Values as s3379.