Roman Imperial
Antoninus Pius (138-161 AD). Rome
AR Denarius (18.1mm 3.2g)
Obv: ANTONINVS AVG PIVS P P TR P XI, laureate head to right
Rev: COS IIII, emperor standing facing, head to left, holding roll and patera over tripod.
RIC III 168; BMCRE 625; RSC 301