Kotiaion, Phrygia, AE22, P. Ail. Demetrianos. 253-258 AD

DHMOC, bearded, diademed head right.
Rev: EPI P DHMHTRIANOU ARC KOTIAEWN, Kybele seated left, 
holding crotalum (a clapper or castanet) or patera in right 
hand, left arm resting on tympanum, lion behind her.

Mionnet VII, 270; SNG Cop 316 and BMC 14-15 ("holding patera..")

Courtesy of ancientimports.com, Sept. 2010.