Watch List notes:

Valerian II. Caesar, AD 256-258. AR Antoninianus (21.5mm, 3.67 g, 12h). Rome mint. 2nd-5th emissions, AD 256-8. P C L VALERIANVS NOB CAES, radiate, draped, and cuirassed bust right / PRINCIPI IVVENTVTIS, Valerian standing left, holding signum and long, vertical scepter. RIC V 23 var. (rev. type); MIR 36, 250k var. (same); Cunetio 666. Good VF.

Ex N. M. McQ. Holmes Collection, bought from Paul-Francis Jacquier, 1989.

The variant with scepter instead of reversed spear is not noted in either MIR or RIC, but the Cunetio hoard contained 17 specimens of this reverse and only 4 of that with spear.