Watch List notes:

Hostilian. As Caesar, AD 250-251. AR Antoninianus (21.5mm, 3.15 g, 6h). Rome mint, 5th officina. 6th-7th emissions of Trajan Decius, AD 251. Radiate and draped bust right / Mars advancing right, holding transverse spear and shield. RIC IV 177b; RSC 15. Lightly toned. Near EF.

From the Jack A. Frazer Collection. Ex Stack's (4 May 1995), lot 2156.