Phrygia, Cotiaeum AE (Bronze, 24mm, 6.54g) Pseudo-Autonomous. Time of Gallienus (253-268) Diogenes, son of Dionysios, archon.
Obv: ΔHMOC KOTIAЄΩN, diademed head of Demos right, drapery on left shoulder
Rev: EΠI ΔIOΓENOVC ΔIONVCIO APX KOTIAEΩN, Zeus seated left on throne, holding eagle and scepter.
Ref: SNG von Aulock 3776; SNG Copenhagen 319.