Gallienus (253-268 AD). AE Tetradrachm (24 mm, 9.55 g), Alexandria, Egypt, 254-255 AD.
Obv. AΥT K Π ΛIK ΓAΛΛIHNOΣ ΣEB, laureate, draped and cuirassed bust right.
Rev. L - B, Homonoia seated left, holding double-cornucopiae and raising right hand.
K./G. 90.11.