Gallienus BI Antoninianus. (18mm, 3.22 g) Samosata, AD 256-260. IMP C P LIC GALLIENVS P F AVG, radiate, draped and cuirassed bust to right / VIRTVS AVGG, Gallienus and Valerian I, standing facing each other, Gallienus holding spear and globe, Valerian holding Victory and transverse spear, star above in field.