Roman Empire. Tacitus (275-276). AR Antoninianus, Serdica mint, 275-276 AD. Obv. Bust od Tacitus right, radiate, draped, cuirassed. Rev. Providentia standing right; draped; holding ensingn and facing Sol; ständing left; riasing right had and holding globe in left hand. RIC 198. AR. g. 3.69 mm. 25.00 Traces of silvering. About EF.