Valerian I, 253-260. Antoninianus (Billon, 22 mm, 2.78 g, 12 h), Rome, 257. IMP C P LIC VALERIANVS P F AVG Radiate, draped and cuirassed bust of Valerian I to right, seen from behind. Rev. RELIGIO AVGG Diana standing front, head to left, drawing arrow from quiver with her right hand and holding bow in her left; in field to right, Q. Cohen 177. MIR 172c (1 example). RIC 115. Very rare. Slightly rough and struck from a somewhat worn obverse die, otherwise, good very fine.