Bithynia, Heracleia Pontica. Diadumenian. As Caesar, A.D. 217-218. 25.6 mm, 8.23 g, 7 h). M OΠЄΛ·ANTΩN·ΔIΔOVMЄNIANOC KAI, bare-headed, draped and cuirassed bust right / HPAKΛHAC ЄN ΠONTΩ, Asklepios standing left, leaning on serpent-entwined staff. Rec Gen 179; SNG von Aulock 399; BMC -; Corsten -. gVF, mottled green and brown patina, minor porosity.