Herakles - Gallienus. STRONG PORTRAIT! Pax. Roman Empire. Gallienus. A.D. 253-268. AE Antoninianus. 4.374 grams. Obverse: GALLIENVS AVG. Bust, radiate, and cuirassed l. Reverse: PAX AVG. Pax standing l., holding olive-branch and sceptre. RIC 182, 575. Good Very Fine/Very Fine. Herakles Numismatics, Inc.