Postumus, AE Double Sestertius. 

IMP C M CASS POSTVMVS P F AVG, radiate, draped & cuirassed bust right
FELICITAS, triumphal arch with six columns and arcade, 
surmounted by trophy, captives & palms, AVG in ex. 

RIC V-II Lyons 119; Bastien 222, Cohen 49

With permission of cgb.fr. Oct. 2012.