Gallienus. A.D. 253-268. BI antoninianus (22.3 mm, 4.16 g, 11 h). Samosata mint, struck A.D. 256-260. IMP C P LIC GALLIENVS P F AVG, radiate, draped and cuirassed bust of Gallienus right / PIETAS AVG, Valerian on left, holding eagle-tipped scepter, facing Gallienus, holding parazonium, both togate, standing facing one another, sacrificing over lighted altar between them. Göbl 1684m; RIC 447; RSC 792b. aVF, most silver remains, porous.