Claudius II Gothicus AE or Billon Antoninianus. Rome mint. 

IMP C CLAVDIVS AVG, radiate, cuirassed bust right
AEQVITAS AVG, Aequitas standing left holding scales 
and cornucopiae. 

RIC V 14, Cohen 6. 

HJB Auction 2006.

With permission of HJB.