Watch List notes:

POSTUMUS, (A.D. 259-268), AE double sestertius, Cologne mint, issued 261, (20.76 g), obv. radiate draped and cuirassed bust of Postumus to right, around IMP C M CASS LAT POSTVMVS P F AVG, rev. Postumus (?) in military attire standing to left, holding globe resting on spear, P M TR P COS II P P around, S C across, (S.11052, RIC 106, C.246, Bastian 62-63). Has been cleaned, fine and rare.

Ex Roma Numismatics 2012.