An Ancient Roman silvered bronze antoninianus of Postumus, emperor of the Gallic Empire. The obverse features the radiate, draped and cuirassed bust of Postumus facing right, accompanied by the legend IMP C POSTVMVS P F AVG. The reverse features Sol, walking left, raising his right hand and holding whip in his left. The legend reads ORIENS AVG and there is a mintmark P in the left field. Diameter: (circa) 1.9cm Weight: 3.12g Provenance: Ex Cambridgeshire private collection, acquired 1970s.