CM: The present coin is a 'Denarius' of Rome, which remained the backbone of the Roman economy from its introduction in 211 BC until it ceased to be normally minted in the middle of the third century. The obverse presents the draped bust of Bruttia Crispina Augusta (164-182 or 187), wife of Lucius Aurelius Commodus Antoninus (161-192), facing right, hair tied in bun on back of head. The reverse presents Juno standing left, holding patera and sceptre. The material is silver, and was minted in the period 180-183.