Tacitus AE Antoninianus. 275-276 AD. 

Obv: IMP C M CL TACITVS AVG, radiate, draped, cuirassed bust right
Rev: AEQVITAS AVG, Aequitas standing left, holding scales 
and cornucopiae 
XXI gamma in ex. 

RIC V-I, 82C

Submitted by Stefan Weber, September 2009