Tacitus Æ Antoninianus. Serdica, AD 276. IMP C M CL TACITVS P F AVG, radiate, draped and cuirassed bust right / PROVIDEN DEOR, Providentia standing right with two standards; facing Sol with raised hand and globe, star between them.; KAΔ in exergue. RIC 196. 3.59g, 23mm, 12g. Good Very Fine.