Valerian I BI Antoninianus. (21mm, 3.65 g) Samosata, AD 255-256. IMP C P LIC VALERIANVS P F AVG, radiate, draped and cuirassed bust to right / PIETAS AVGG, emperors sacrificing at altar, one holding patera and parazonium, one holding patera and eagle-tipped sceptre; pellet in wreath in field above.