Tacitus, AE antoninianus, Ticinum.

IMP CM CL TACITVS P AVG, radiate, draped, cuirassed bust right.
ANNONA AVGVSTI, Annona standing left by modius, holding corn-ears 
and cornucopiae.
Mintmark T.

RIC V-I 123; Estiot 2149, La Venera 1673 (Siscia).

With permission of H.D. Rauch Auctions.