TYPE Roman Empire, Caracalla (198-217 AD), silver antoninianus DESCRIPTION . Obv: Radiate bust of bearded Caracalla to right, legend: ANTONINVS PIVS AVG GERM Rev: Serapis w/ scepter, legend: PM TRP XX COS IIII PP REFERENCE: SR 1909, RIC 263d GRADING: VF+ / VF, very slight porosity ORDER INFO: R1308, $115 The father of the antoninianus, with his latter-day "vile" look (according to others, just a good rendition of a matured, determined emperor), on the "patented" denomination named after him.