Tacitus, antoninianus

Tacitus, AR antoninianus, (3.62g)
IMP C M CL TACITVS AVG Radiate head right.
FIDES MILITVM Fides standing, head right, holding standard in each 
hand, 
XXIS in exergue. 

RIC 87. 

With kind permission of Numismatik Lanz, Auction 2005