Gallienus, AE25 of Nicaea, Bithynia. AD 253-268. 8.34 g. 

POY LI EG GALLIHNOC CE, radiate, draped bust right.
NIKAIEWN, Gallienus, radiate, standing right, holding sceptre, clasping hands with Valerian, radiate, standing left, holding sceptre and Homonoia standing left, holding patera over an altar at foot.

RecGen 844; Mcclean 7508; SNG von Aulock 722-723; Lindgren I 159; Weiser Koeln 246-248.

With permission of cngcoins.com, auction 386, Lot 433, Nov 2016