Watch List notes:

Valerian I, 253-260. Antoninianus (Silver, 22 mm, 2.76 g, 12 h), Samosata, circa 256-260. IMP C P LIC VALERIANVS P F AVG Radiate, draped and cuirassed bust of Valerian I to right. Rev. PIETAS AVGG Valerian and Gallienus standing facing each other, both holding scepter and sacrificing over altar. Cohen 153. MIR 1684e. RIC 284. A lustrous and clear example. Extremely fine.