Marcus Aurelius. AR denarius, 18mm; 3.10g, AD 169-170. M ANTONINVS AVG TR P XXIIII, laureate head right. LIBERAL AVG V COS III, Liberalitas, standing left, holding abacus and cornucopiae. RIC 221; BMCRE 524; RSC 413. Rare. With permission of cngcoins.com, the AK Collection.