Commodus AE Sestertius, 31mm; 19.31g. AD 183-184. 

M COMMODVS ANTONINVS AVG PIVS, Laureate head right.
P M TR P VIIII IMP VI COS IIII P P, S-C, Minerva, 
helmeted, draped with aegis, walking right, brandishing 
spear and holding round shield.

RIC 400a; BMCRE 527; Cohen 425.

With permission of cngcoins.com, the AK collection sale.