Phrygia, Cotiaeum AE (Bronze, 7.04g, 23mm) Pseudo-autonomous issue, Time of Gallienus (254-268) ΔΙΟΓΕΝΗΣ ΔΙΟΝΥΣΙΟΥ (Diogenes, son of Dionysios), Archon
Obv: ΔHMOC KOTIAEΩN, unbearded, and diademed head of Demos right
Rev: EΠI ΔIOΓENOYC ΔIONYCIOY, A-Ρ-X across fields, KOTIAEΩN in exergue, Zeus Aetophorus seated left, holding sceptre.
Ref: BMC 25.