Diadumenian as Caesar (217-218). AR Denarius. D/ M OPEL ANT DIADVMENIAN CAES. Bare-headed, draped and cuirassed bust right. R/ PRINC IVVENTVTIS. Diadumenian standing left, holding baton and sceptre; on right, two standards surmounted by eagle and wreath. RIC 108; C. 14. AR. g. 3.06 mm. 19.00 R. Rare. Attractive and expressive portrait. A pleasant example, lightly toned. EF.