Caracalla (198-217). AE Sestertius, 213 AD. D/ M AVREL ANTONINVS PIVS AVG BRIT. Laureate, draped and cuirassed bust right. R/ PM TR P XVI COS IIII P P SC. Mars standing left, holding Victory in right hand and resting left hand on shield, spear against left arm; at feet left, captive seated. RIC 496b. g. 22.08 mm. 32.50 Scarce. Lovely emerald green patina. VF.