Roman Imperial Coinage, Marcus Aurelius (Cæsar), Sestertius, Rome, 158-9, bare-headed, draped and cuirassed bust right, seen from behind, rev. Virtus standing right, holding spear and parazonium, left foot on helmet, 23.05g/12h (RIC 1349Bb [A. Pius]). Very fine, green patina £200-300