Diadumenian. As Caesar, AD 217-218. Æ As (26mm, 11.14 g, 1h). Rome mint. 2nd emission of Macrinus, AD 217-218. Bareheaded, draped, and cuirassed bust right / Diadumenian standing right, holding signum and scepter; aquila and signum to right. RIC IV 213 var. (bust not cuirassed); Clay Issue 2. VF, rough dark green patina with touches of red, some smoothing.