Gallienus. AE 27 of Heliopolis, Coele Syria. 259-268 AD. obv: IMP CAES P LIC GALLIENVS AVG, laureate cuirassed bust right. rev: COL IVL AVG FEL HEL, prize money purse, CERT SACR above. CAP OECV / ISE HEL below. 26 mm; 12.8 g. BMC 30. A neat coin with deep olive green patina.