Tacitus Antoninianus. 

Obv: IMP C M CL TACITVS AVG, radiate cuirassed bust right 
Rev: PROVIDENTIA AVG, Providentia standing left holding baton over globe at 
 foot left, and cornucopiae. 
Mintmark: XXIA. 

RIC V-1, 92, Rome.

Contributed by Dane for George Clegg (biggyg2), September, 2005