Watch List notes:

Volusian. AD 251-253. AR Antoninianus (20mm, 4.12 g, 12h). Rome mint, 5th officina. 4th emission, early AD 253. Radiate, draped, and cuirassed bust right / Salus standing right, feeding serpent held in arms. RIC IV 184; RSC 118. Copper deposits over residual lustre. Near EF.