Valerian I (AD 253-260). AR antoninianus (23mm, 3.20 gm,). Samosata.
IMP C P LIC VALERIANVS AVG, radiate, draped bust of Valerian I right, seen from front / PIETAS AVGG, Valerian and Gallienus standing facing each other, both holding scepters and sacrificing from paterae over lit altar between; star above.
RIC V.I 284.