Gallienus (253-268).     BI Tetradrachm, Alexandria mint (Egypt), dated RY 13 (265/6).   Obv.    ΑΥΤ Κ Π ΛΙΚ ΓΑΛΛΙΗΝΟϹ ϹΕΒ. Laureate, draped and cuirassed bust right.        Rev.   Eagle standing right, holding palm in wings and wreath in beak; L ΙΓ (date) in fields.     BMC 3318-9; RPC X online - (unassigned; ID 75534).     9.87 g.   20.70 mm.          Good VF.