Watch List notes:

Hostilian, as caesar (Trajan Decius, 249-251), Antoninianus, Rome, AD 251; AR (g 3,67; mm 21; h 7); C VALENS HOSTIL MES QVINTVS N C, radiate, draped and cuirassed bust r., Rv. PRINCIPI IVVENTVTIS, Hostilian standing l., holding standard and spear. RIC 181d; C 34.
Expressive portrait, extremely fine.