Watch List notes:

Hostilian, as Caesar (Trajan Decius, 249-251), Sestertius, Rome, AD 251; AE (g 14,64; mm 32; h 11); C VALENS HOSTIL MES QVINTVS N C, draped bust r., Rv. PRINCIPI IVVENTVTIS, Apollo seated l., holding branch and resting elbow on lyre; in ex. S C. RIC 215a; C 31.
Brownish patina, die shift on reverse, about extremely fine.