Valerian I, 253-260. Antoninianus (21mm, 2,67 g), Viminacium, 253-254. IMP VALERIANVS P AVG Radiate, draped and cuirassed bust of Valerian I to right, seen from behind. Rev. CONCOR LEGG Concordia seated left, holding patera in her right hand and double cornucopiae with her left.