Postumus Double-Sestertius, struck AD 261 at Atelier II. Obv: IMP C M CASS LAT POSTVMVS P F AVG, radiate, draped and cuirassed bust right. Rev: EXERCITVS AVG / SC (in exergue), Postumus on horse left, holding sceptre in theleft, his right hand raised. Before him four soldiers standing to theright, holding standards. 14,78 g, 30 mm. Bastien 154, RIC 117, Elmer 199. some scratches