Marcus Aurelius (161-180).     AE Dupondius, Rome mint, 161 AD.   Obv.    IMP CAES M AVREL ANTONINVS AVG P M. Radiate head right.        Rev.   CONCORD AVGVSTOR TR P XV / S-C / COS III. Marcus Aurelius and Lucius Verus standing facing one another, clasping right hands.     RIC III 798; C. 50.     12.22 g.   27 mm.        Lovely dark patina with brassy highlights. Hairline flan crack, slightly pitted surface on obverse.    VF.