Postumus, 260 - 267 ADrnBillon Antoninianus, Cologne Mint, 23mm, 2.74 gramsrnObverse: IMP C POSTVMVS P F AVG, Radiate, draped and cuirassed bust of Postumus right.rnReverse: FELICITAS AVG, Felicitas standing left holding long caduceus and cornucopia.rnRIC58