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

G POYB LIK EGN GALLHNOC AYG, radiate, draped and cuirassed bust right.
NIKAIEWN, Athena standing left, holding patera and spear, shield at foot left. 

RecGen 828; Lindgren I 156 (this coin); Weiser 235.

With permission of Ed Flinn, www258.pair.com.