CARACALLA. Denarius. (Ar. 3.38g / 20mm). 216 AD Rome. (RIC 280c). Anv: Laureate bust of Caracalla on the right, around legend: ANTONINVS PIVS AVG GERM. Rev: Serapis shelf to left carrying branch and scepter, around legend: PM TR P XVIIII COS IIII P P. AU.