Watch List notes:

Valerian I, 253-260. Antoninianus (Silver, 23mm, 3.85 g 1), Samosata, 255-256. IMP C P LIC VALERIANVS P F AVG Radiate, draped and cuirassed bust of Valerian I to right. Rev. PIETAS AVGG The two emperors standing facing one another, sacrificing over lighted altar, with the one on the left holding an eagle-tipped scepter in his right hand, and the one on the right holding a parazonium in his left. Cohen 152. MIR 1676e. RIC 285. Very fine.