Cappadocia, Caesarea-Eusebia, Diadumenian, as Caesar, Æ (18mm, 5.66 g) Dated RY 2 = AD 218. [Μ ΟΠЄΛ ΑΝ] ΔΙΑΔΟΥ, bare-headed and draped bust to right / ΜΗΤΡΟ ΚΑΙϹΑ, distyle temple with agalma of Mount Argaeus within; ЄΤ Β (date) in exergue.