Watch List notes:

Valerian I, 253-260. Antoninianus (Billon, 20 mm, 3.10 g, 12 h). MP VALERIANVS AVG radiate, draped and cuirassed bust of Valerian I to right. Rev. P M TR P V COS IIII P P Valerian and Gallienus standing facing one another, each holding shield set on ground with right hands; two spears between in background. MIR 1598a. RIC 277. RSC 169. Dark surfaces. Good very fine.