Postumus (AD 260-269).
Antoninianus
(AR, 24 mm, 3.95 g)
AD 262, Cologne.

IMP C POSTVMVS P F AVG Bust of Postumus right, radiate, draped and cuirassed. / NEPTVNO REDVCI Neptune standing front, head left, holding dolphin in his right hand and trident in his left; at feet to left, stern.
RIC 76; Mairat 240.
Slightly toned. Small flan crack. Good very fine.