Watch List notes:

Marcus Aurelius. A.D. 161-180. AR denarius (18.37 mm, 3.23 g, 1 h). Rome mint, A.D. 165-166. M ANTONINVS AVG ARMENIACVS, laureate head right / LIB AVG III TR P XX COS III, Liberalitas standing left, holding abacus and cornucopia. RIC 144 ; BMCRE 394; RSC 408. VF. 

From the Porter Collection.