Watch List notes:

ROMAN EMPIRE. Valerian I. 235-260 AD. Silver Antoninianus (2.84 gm; 21 mm). Rome mint, 254 AD. IMP C P LIC VALERIANVS AVG , radiate draped bust right / SALVS AVGG, Salus standing left, feeding snake arising from altar. RIC 121; RSC 197. Sharply struck on a very good metal. Nicely centered. Choice Superb EF. Lightly toned.