Postumus (259-268). AR Antoninianus, Cologne mint, 260-269. Obv. IMP C POSTVMVS P F AVG. Radiate, draped and cuirassed bust right. Rev. SERAPI COMITI AVG. Serapis, draped, standing left, raising right hand and holding sceptre in left hand; in background, vessel. RIC V 329. AR. 3.50 g. 21.00 mm. Attractive old cabinet tone. Some striking weakness, otherwise. about EF.