Claudius II AE Antoninianus. Rome, 268-270 AD. 

Obv: IMP CLAVDIVS AVG, radiate head right
Rev: GENIVS EXERCI, Genius standing left, modius on head, holding patera & cornucopia. Z in right field. 

RIC V-1, 49 Rome.

Contributed by Dane, June 2009