Silver denarius, 16mm, 3.44gm, issued AD 155/156 Rome mint.
Obv: ANTONINVS AVG PIVS PP IMP II, Laureate head right.
Rev: TR POT XIX COS IIII, Pax, draped, standing left, holding branch in extended right hand and cornucopiae in left.
References: RIC 252, RSC 979.