Postumus Antoninianus. 262 AD. 

Obv: IMP CM CASS LAT POSTVMVS PF AVG, radiate & draped bust right
Rev: NEPTVNO REDVCI, Neptune standing left, holding dolphin and trident, chlamys over left shoulder, prow at foot. 

RIC 76 var (obv legend) Cohen 210, rated rare. This obverse legend is not in RIC but is in Cohen.

Contributed by Dane for George Clegg (biggyg2), June 2009