Marcus Aurelius. Sestertius; Marcus Aurelius; 161-180 AD, Rome, 179 AD, Sestertius, 28.74g. BM-1711. Obv: M AVREL ANTON - INVS AVG TR P XXXIII Head laureate r. Rx: VIRTVS AVG - IMP X [COS III P P] on l. and r., S - C across field, Virtus seated r. holding spear in r. hand and parazonium in l. Ex Curtis L. Clay Collection; ex CNG E206, 11 March 2009, lot 398. Engraver's error? The usual date for this type is TR P XXXIIII not XXXIII.. aEF