Postumus, Romano-Gallic Emperor, 260-269. Antoninianus (Silvered bronze, 20 mm, 2.97 g, 6 h), Cologne, 268. IMP C POSTVMVS P F AVG Radiate, draped and cuirassed bust of Postumus to right. Rev. IOVI VICTORI / C - A Jupiter standing left, head to right, hurling thunderbolt with his right hand and holding scepter in his left. AGK (corr.) 40. Cunetio 2467. Elmer 570. RIC 311. Very rare. Struck from a somewhat worn reverse die and with minor porosity, otherwise, very fine.

The C - A on the reverse stands for Colonia Agrippinensis, the Roman name for Cologne