Watch List notes:

Probus, 276-282. Antoninianus (Bronze, 22 mm, 3.65 g, 6 h), Siscia, 277. IMP C M AVR PROBVS P F AVG Radiate, draped and cuirassed bust of Probus to left, holding pugio in his right hand. Rev. CONCORD MILIT / XXIQ Probus, on the left, and Concordia, on the right, clasping their right hands. C –. RIC - , cf. 650 (differing bust types). Very rare. Somewhat rough, otherwise, very fine.