Valerian Antoninianus. 

Obv: IMP C P LIC VALERIANVS AVG, radiate draped bust right 
Rev: PIETAS AVGG, Emperors (Valerian and his son Gallienus) sacrificing at 
 altar. 

RIC V-1 284 Antioch, rated common

Contributed by Dane for George Clegg (biggyg2), October 2007