Caracalla (AD 198-217), AV Aureus, 7.03g, Rome, 205, laureate, draped and cuirassed bust right, antoninvs pivs avg, rev. pontiff tr p viii cos ii, Mars, naked but for cloak over shoulder, standing left, right foot on helmet, holding olive-branch and spear (RIC 80a; BMC 468; cf. C.419), lustrous, extremely fine