Caracalla (198-217). Cast (?) Limes AE Denarius, Rome mint, 199-200. Obv. ANTONINVS AVGVSTVS. Laureate, draped and cuirassed bust right. Rev. AETERNIT IMPERI. Busts of Septimius Severus, laureate, draped and cuirassed right and Caracalla, laureate, draped and cuirassed left, facing one another. RIC IV 32. AE. 2.37 g. 18.90 mm. RR. Very rare. About VF.