TACITUS (275-276). Antoninianus. Siscia. Obv: IMP C M CL TACITVS P AVG. Radiate, draped and cuirassed bust right. Rev: ROMAE AETERNAE / XXIV Roma seated left, holding globe and sceptre; shield below. Condition: Good very fine. Patina on silver plating Weight: 3.6 g. Diameter: 21.97 mm.