Tacitus. AD 275-276. Antoninianus (23mm, 4.27 g, 11h). Serdica mint, 2nd officina. 1st emission, late AD 275. Radiate, draped, and cuirassed bust right / Mars standing right, holding spear and presenting globe to Tacitus standing left, holding scepter; S. RIC V –; BN 1771-3 var. (officina) and pl. 95, 447-8. In NGC encapsulation graded Ch AU, Strike 5/5, Surface 4/5, silvering.