Watch List notes:

Valerian I, 253-260. Antoninianus (Silver, 21 mm, 3.09 g, 7 h), Rome, 257. IMP C P LIC VALERIANVS AVG Radiate, draped and cuirassed bust of Valerian I to right. Rev. CONCORDIA MILIT Concordia standing left, holding military standard in each hand. Cohen 47. MIR 36, 18d (same reverse die as illustrated). RIC 238. Extremely rare! Spotty deposits, otherwise, about extremely fine.

From the B.L. Collection