Watch List notes:

Valerian II. Caesar, AD 256-258. Antoninianus (20mm, 3.26 g, 11h). Samosata mint. 1st emission, AD 255-256. Radiate, draped, and cuirassed bust right / Valerian standing left, crowning trophy and holding spear and shield set on ground to right. RIC V 49; MIR 36, 1694b; RSC 67a. Green-brown patina, areas of encrustation. VF.