Silver denarius, 17mm, 3.28gm, issued AD 159/160. Rome mint.
Obv: ANTONINVS AVG PIVS PP TRP XXIII, Laureate head facing right.
Rev: COS IIII, Felicitas standing left resting arm on column and holding caduceus.
References: Sear 4080, RIC 298, RSC 360.