Watch List notes:

Valerian I, 253-260. Antoninianus (Silver, 23 mm, 4.00 g), brockage mint error, Samosata, circa 256-260. IMP C P LIC VALERIANVS P F AVG Radiate, draped and cuirassed bust of Valerian I to right. Rev. Incuse of obverse. Very rare. Harshly cleaned, otherwise, very fine.