Postumus AR Antoninianus. 259-268 AD. 

IMP C POSTVMVS dot P dot F dot AVG, radiate, draped, cuirassed bust right
HERC DEVSONIENSI, Hercules standing right, leaning on club, holding lion's skin and bow. 

Elmer 187, Rocquenfort hoard 3112; RIC V-II 64v (obv. legend dots), Cohen 91v;Sear 3111v. Scarce. 

Contributed by Dane for Roma Numismatics, June 2009