Caracalla, Rome mint,
Denarius (18-19 mm / 3.32 g), 216 AD.,
Obv.: ANTONINVS PIVS AVG GERM , laureate head of Caracalla right.
Rev.: PM TRP XVIIII COS IIII PP, Serapis, in polos (very small vertical hat), standing left, raising right hand and holding scepter.
RIC 280c ; BMC 168 ; C 348 .