Gallienus. ; Gallienus; 253-268 AD, Alexandria, Egypt, Year 14 = 266/7 AD, Billon Tetradrachm, 10.28g. Cologne-2935, BM-2170. Obv: AVT K ? ?IK GA??IHNOC CEB Bust laureate, cuirassed r., seen from front. Rx: Athena seated l. above shield, holding Nike and spear or scepter, palm branch in r. field, date L / I? in l. field.Fine green patination, unusual for Alexandrian coins. EF