Commodus, AE Dupondius
Struck 183-184 AD, Rome mint
Obverse: M COMMODVS ANTONINVS AVG PIVS, Head of Commodus, radiate, right.
Reverse: TR P VIIII IMP VI COS IIII P P, Minerva, helmeted, draped, advancing right, brandishing javelin in right hand and holding shield in left hand, S-C across field.
References: RIC III 421a
Size: 25mm, 8.3g