Gallienus, 253-268. Antoninianus (Silvered bronze, 23 mm, 3.56 g, 6 h), Antiochia, 267. GALLIENVS AVG Radiate, draped and cuirassed bust of Gallienus to right, seen from behind. Rev. P M TR P XV P P / VII C • Neptune standing left, his right foot set on a prow, holding trident in his left hand and resting his right on his right thigh. Cohen 849. MIR 1638a. RIC 603. A lovely coin with an unusual reverse type. Struck on an oval flan, otherwise, extremely fine.