Diadumenian. AE18 of Caesarea Germanica, Bithynia. AD 217-218. 3.05 g. M ANT DIADOYMENIANOC K, bare-headed, draped bust right. KAICAPEIAC GERMANIKHC, Aphrodite standing front in bashful pose. RecGen 24; Paris 315. Courtesy of the Bibliotheque Nationale, Paris, gallica.bnf.fr.