Gallienus, Billon Tetradrachm, 264/265 (Year 12), Egypt-Alexandria AUT K P LIK GALLIHNOC CEB Laureate, cuirassed bust right (No legend) Athena standing facing, helmeted head left, vertical spear in right hand, left hand resting on large shield set on ground and decorated with head of Medusa, palm in right field L IB in left field 22mm x 23mm, 10.57g