Postumus, billon antoninianus, Cologne mint, 268 AD. 

POSTVMVS AVG, radiate, heroic bust left, lionskin
on shoulder, holding club.
PAX AVG, Pax standing left, holding olive branch and 
sceptre.

RIC V-II Cologne 319, Cohen 218; Elmer 564; Cunetio 2446.
Rare.

With permission of cgb.fr. Oct. 2012.