Phrygia, Cotiaeum. Civic Issue. Time of Gallienus, A.D. 254-268. Æ (23mm, 6.92 g). Diogenos, son of Dionysios, archon. ΔHMOC KOTIAEΩN, unbearded, diademed, draped bust of Demos right / EPI ΔIOΓ ENO V C ΔIONVC IO, A-P/X (across fields), KOTIAEΩN in exergue, Zeus Aetophorus seated left, holding eagle and scepter.