Gallienus, AE of Tios, Bithynia. 7.15 g. 

P L GALLHNOC CEB, laureate, draped, cuirassed bust right.
TIANWN, Serapis standing front, head left, holding sceptre and
raising right hand. 

SNG von Aulock 1045.

Courtesy of Helios Auction 5, June 2011