Imitation Postumus. Antoninianus

Imitation Postumus; 260-268 AD, ca. 260-8 AD, Antoninianus, 4.05g. Cf. RIC-85. Obv: IMP [C POSTVMV]S F AVG, Rad, dr and cuir bust r. Rx: SALVS AVG, stg facing, head l, holding rudder and feeding serpent rising from altar to l.. VF