MACRINUS AND DIADUMENIAN. 217-218 AD. Marcianopolis. AE MACRINUS AND DIADUMENIAN. 217-218 AD. MOESIA INFERIOR,Marcianopolis. AE 28 mm. (12.43 gm). Confronted busts of Macrinus andDiadumenian / Zeus stg. facing, head left, holding thunderbolt and sceptre.