Marcus Aurelius, Sestertius, 168-169 AD, 23.94 gr, 33.66mm, Rome mint. RIC 964a; Sear 4998.M ANTONINVS AVG TR P XXIII legend, laureate and cuirassed bust right / SALVTI AVG COS III, S-C legend, Salus standing left, holding patera, feeding serpent rising from altar.