Postumus, (A.D. 259-268), base silver antoninianus, Cologne mint, (3.47 g), issued 265-268, obv. radiate bust of Postumus to right, around IMP C POSTVMVS P F AVG, rev. Mercury standing to left, head facing holding purse and caduceus, MERCVRIO FELICI around, (S.10960, RIC 313, RSC 192). Silvered, extremely fine, very scarce.
Ex Dr V.J.A.Flynn Collection and previously from Noble Numismatics Sale 105 (lot 4281).