Tacitus (AD 275-276).
Antoninianus
(AE, 23 mm, 3.98 g)
AD 276, Lugdunum.

IMP CL TACITVS AVG Bust of Tacitus right, radiate, cuirassed and draped. / SALVS AVG Salus standing right, feeding snake held in right hand from patera held in left hand; in the left field C; in the right field star.
RIC online 3338.
Nice dark toning with traces of silvering. Very fine.