ROMAN EMPIRE, Postumus, 259-268 AD, billon antoninianius

ROMAN EMPIRE, Postumus, 259-268 AD, antoninianius, no date (263 AD), Cologne mint, Obverse: radiate bust R, IMP C POSTVMVS P F AVG, Reverse: Mars standing L, P M TR P IIII COS III PP, billon, 21mm, 3.8g, SR10974, F/VG