Tacitus (275-276). AR Antoninianus, Rome mint, 275-276. Obv. IMP C M CL TACITVS AVG. Radiate and cuirassed bust right. Rev. SALVS AVG. Salus, draped, standing left, feeding serpent rising from altar. RIC V 93. 4.03 g. 23.00 mm. Uneven light toning with some green corrosion spots. VF.