Phrygia, Kotiaeum. AE-23. Time of Gallienus, c.253 - 268 AD. Archon: Diogenus Dionysos. 

Obv: DHMOC KOTIAEWN, Laureate head of Demos right.
Rev: EPI DIOGENOUS DIONUCIOU, ARC in field, KOTIAEWN below, 
Zeus seated left, holding an eagle and sceptre. 

SNG Cop 517-519; BMC 20-22. 

aVF with a nice green patina. A rare and attractive coin.

Courtesy of Gabriel Vandervort, www.ancientresource.com, Sept. 2010