Tacitus (275-276). BI Antoninianus, Siscia mint. Obv. IMP C M CL TACITVS AVG. Radiate, draped and cuirassed bust right. Rev. FELICITAS SAECVLI. Felicitas standing left, holding long caduceus and sacrificing with patera over lighted altar to left; in exergue, V. RIC V 139 (Ticinum). 3.67 g. 22.50 mm. Lovely patina over silver and bright surfaces. About EF.