BITHYNIA. Nicaea. Valerian I, 253-260. Tetrassarion (Orichalcum, 24 mm, 7.70 g, 12 h). [Γ Π Λ OYA]ΛEPIANOC CEΒ Radiate, draped and cuirassed bust of Valerian I to right, seen from behind. Rev. ΟΥΑΛ / ΓΑΛ CEOY / ΑΥΓΟΥ / ΝΙΚΑΙΕΩΝ Three agonistic crowns, the outer two each containing a single palm frond, the central containing two. BMC 146. RG 811. Weiser -. Rare. Thick deposits, otherwise, good fine.