Gallienus, AE of Nicomedia, Bithynia. 8.05 g. 

PO LI EGN GALLHNOS AUG, radiate, draped, cuirassed bust right.
NIKOMHDEWN TRIS NEWKORWN, three temples, the upper one containing
Demeter standing, holding corn-ears and torch, the lower two
seen in perspective. 

SNG von Aulock 7147

Courtesy of Helios Auction 5, June 2011