Watch List notes:

Hostilian. As Caesar, AD 250-251. AR Antoninianus (20mm, 3.24 g, 12h). Rome mint, 5th officina. 5th emission of Trajan Decius, early AD 251. Radiate and draped bust right / Hostilian standing left, holding signum and spear. RIC IV 181d (Decius); RSC 34. Toned, some porosity and roughness. Fine.