Hadrian, AE27 of the Koinon of Bithynia, 24.48 g. 

AVT KAIC TRAI ADRIANOC CEB, laureate head right.
KOI-NON BEIQUNIAS to left, right and beneath octastyle temple
on a base of three steps

SNG von Aulock 286
cf RecGen 41; cf BMC 12.

Courtesy of Helios Auction 5, June 2011