Tacitus, AE antoninianus, Ticinum.

IMP CM CL TACITVS PF AVG PM TRP COS III, radiate bust left,
wearing imperial mantle, holding eagle-tipped sceptre.
SALVS PVBLI, Salus standing right, feeding serpent in arms.
Mintmark T

RIC V (1) 121 var (obv legend), 
Poss. unpublished. 
With permission of H.D. Rauch Auction 80, June 2007, lot 237