Ruler: Valerian, Emperor of Rome, ca. A.D. 190260, ruled 25360, Mint: Antioch, Antoninianus of Valerian, Emperor of Rome from?Antioch, A.D.?25360, Silver, 3.63 g, 6:00, 23.2?mm, Excavated in Dura-Europos, Made in Antioch, Roman, 3rd century A.D., Num