Circulating example of a well-liked issue.
Obverse: emperor's head in laurel wreath, clockwise, surrounded by legend:
IMP CAES DOMIT AVG GERM P M TR P XI;
Reverse: Minerva standing left, surrounded by legend:
IMP XXI COS XVI CENS P P P;
Silver, diameter 19 mm, weight 2.7 g, axis 6 h.