Tacitus (275-276). BI Antoninianus, Siscia mint. Obv. IMP C M CL TACITVS AVG. Radiate and cuirassed bust right, with spear. Rev. PROVIDE AVG. Providentia standing left, holding globe and sceptre; in exergue, Q. RIC V 152 var. (no spear); C. 90 var. (no spear). BI. 3.63 g. 23.00 mm. RRR. Extremely rare variety, very few specimens known. Metal flaw on obverse. Good VF.