Empire. Tacitus. Siscia. AD 275-276. Æ Antoninianus (4.18g, 12h). Cohen 9; RIC 180. Lightly toned. Traces of silvering. Choice extremely fine. From a private collection; Tradart 1992 (2) lot 237; Bankhaus Hauck & Aufhäuser 1990 (7) lot 712