Tacitus, AE plated antoninianus, Siscia mint. 

IMP CM CL TACITVS AVG, radiate, cuirassed bust right.
FELICITAS SAECVLI, Felicitas standing left by altar, holding 
patera and caduceus. 
Mintmark V. 

Estiot 2259, La Venera 1754.
Scarce.

With permission of Auktionshaus H. D. Rauch GmbH, April 2008.