Ruler: Valerian, Emperor of Rome, ca. A.D. 190260, ruled 25360, Mint: Antioch, Antoninianus of Valerian, Emperor of Rome from?Antioch, 25356, Silver, 3.05 g, 6:00, 21.0?mm, Made in Antioch, Excavated in Dura-Europos, Roman, 3rd century A.D., Numismat