Watch List notes:

Gallienus BI Antoninianus. Samosata, circa AD 255-256. IMP C P LIC GALLIENVS P F AVG, radiate, draped and cuirassed bust to right / PIETAS AVGG, Valerian and Gallienus standing facing each other, sacrificing at altar between them; wreath above. RIC V.1 447 (Joint Reign); MIR 1699b; RSC 792c. 3.83g, 21mm, 6h.

Extremely Fine.

From a private UK collection.