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Valerian AR Antoninianus. Mint of Asia (Antioch or Samosata), AD 253. 

IMP C P LIC VALERIANVS P F AVG, radiate, draped and cuirassed bust right.
PIETAS AVGG, Valerian and Gallienus standing facing each other with an altar between them. 
Star above. 

RIC 285; RSC 152; Sear 9955; Goebl 1699.