Watch List notes:

Valerian I. AD 253-260. Ӕ Sestertius (28mm, 13.13 g, 11h). Rome mint. 1st issue, AD 253-254. IMP C P LIC VALERIANVS AVG, laureate, draped and cuirassed bust right / VOTIS/DECENNA/LIBVS/S C within laurel wreath. MIR 36, 40g; RIC V 184; Banti 37 corr. (bust type). Good VF, green and brown patina, smoothing, details strengthened.

Bought from Spink, 1992. Ex Glendining's (11 July 1990), lot 183.

The reverse appears to have been struck from a die previously used for coins of Aemilian; see HCC 25.