Watch List notes:

Tacitus (275-276). BI Antoninianus, Siscia mint. Obv. IMP C M CL TACITVS AVG. Radiate and cuirassed bust right. Rev. CONCORDIA MILIT. Tacitus standing right, clasping hands with Concordia standing left; in exergue, XXIQ. RIC V 183; C. 23. BI. 4.75 g. 22.00 mm. Choice example, traces of silvering. About EF.