Silvered bronze antoninianus, 20mm, 4.11gm, issued AD 265-268 Cologne mint.
Obv: IMP C POSTVMVS PF AVG, Radiate, draped bust facing right.
Rev: FELICITAS AVG, Felicitas standing holding long caduceus and cornucopiae.
References: Sear 10936, RIC 58, RSC 39.