AR Antoninianus (4.12 gm, 21mm). Colonia Agrippinensium (Cologne) mint. Struck ca. 257-258 AD. Radiate, draped, and cuirassed bust right / Securitas standing left, leaning on column and holding sceptre. RIC V 256 var. (no cuirass); MIR 36, 869e; RSC 204 var. (same). VF.