Valerian I, AE31 of Bithynium (Claudiopolis), Bithynia, AD 253-260, 

Obv: AVT..POY LIK OUALERIANOC CEB (or similar), laureate, 
draped bust right.
Rev: BEIQUNIEWN ADRIANWN, Zeus seated left, holding 
patera and long sceptre.

RecGen 69.

Centered, slightly mottled olive green patina, nice portrait 
and decent reverse, Fine+....$135

Courtesy of Guy Clark, ancient-art.com. Dec. 2010