Tacitus AE Antoninianus. Ticinum.

Obv: IMP CM CLA TACITVS AVG, radiate, draped, cuirassed bust right.
PROVIDENTIA DEORVM, Providentia standing left, holding baton and cornucopiae, globe at foot.
Mintmark S
RIC V (1) 155, rated common.

Courtesy of Harlan J. Berk Co.