Gallienus, AE antoninianus. Rome. Sole reign. AD 258. 

GALLIENVS AVG, radiate, cuirassed bust right 
AEQVITAS AVG, Aequitas standing left, holding scales and cornucopiae.  

Dalheim hoard 11926; RIC V-1 Rome 159 var (field mark). Not in Goebl. 

Image from the Dalheim hoard catalog.