139 NGC Ch VF Roman Empire Marcus Aurelius Caesar Denarius Pietas (25011502C)Choice Very Fine Roman Empire silver denarius coin. Struck for Caesar Marcus Aurelius at the Rome Mint. Minted 139 CE, 3. 68g (heavy flan), RIC 424a, RSC 451, Foss 1 (attributed to 139 CE). Historic Commemorative type issued to celebrate the adoption of Marcus Aurelius by Emperor Antoninus Pius and Marcus' admission to the preist hood. Caesar was used by emperors to designate their heirs, who would later adopt the title of Augustus when they became