Silver denarius, 18mm, 2.93gm, issued AD 153/154 Rome mint.
Obv: AVRELIVS CAESAR AVG PII FIL, Bare head right.
Rev: TR POT VII COS II, Genius Exercitus, in military dress, standing left, sacrificing out of patera in right hand over lighted altar and holding a legionary eagle in left.
References: see Sear 4790, RIC 461.