Postumus. Romano-Gallic Emperor, A.D. 260-269. AE double sestertius or dupondius (26.1 mm, 11.62 g, 11 h). Cologne mint, Struck A.D. 261. IMP C M CASS LAT POSTVMVS P F AVG, radiate, draped and cuirassed bust of Postumus, right / [LA]ET[ITIA AVG] // [S]C, galley with rowers travelling left over waves. RIC V 143. VF / F, smallish flan and weak strike loses entire reverse legend, dark reddish green patina with toned metal atop devices.