Malter -Nice Colonial Macrinus & Diadumenian Imperial Rome, Macrinus and Diadumenian, 217 - 218 AD. AE-25. Marcianopolis, Moesia Inferior. 12.36g. Confronting busts of Macrinus and Diadumenian. / Kybele enthroned lt., holding a branch and resting on a tympanon. aVF with a cool patina and a neat arrangement of the obverse legend.