Watch List notes:

Hostilian. As Caesar, AD 250-251. AR Antoninianus (22mm, 3.34 g, 6h). Rome mint, 5th officina. 5th emission of Trajan Decius, AD 251. Radiate and draped bust right / Hostilian standing left, holding signum and spear. RIC IV 181d (Decius); RSC 34. VF, toned, porous surfaces.