Caracalla. Denarius; Caracalla; 198-217 AD, Rome, 212 AD, Denarius, 3.19g. BM-81, C-149, RIC-222. Obv: ANTONINVS PIVS - AVG BRIT Head laureate r. Rx: MARTI - PA - CATORI Mars, naked to waist, standing r., head l., holding branch, shield, and spear. From the Philip Ashton Collection, purchased in March 1998.. MS