Watch List notes:

BITHYNIA. Nicaea. Gallienus, 253-268. (Bronze, 23 mm, 7.68 g, 7 h). ΠOY ΛI EΓ ΓAΛΛIHNOC Radiate, draped and cuirassed bust of Gallienus to right. Rev. ΝΙΚΑΙΕ - ΩΝ Dionysos, seated left on quadriga of elephants, pouring from his cantharus. Cf. RG 836 & SNG von Aulock 724-5. Some striking flatness, otherwise, very fine.