Watch List notes:

Probus, 276-282. Antoninianus (Billon, 23 mm, 3.78 g, 1 h), Siscia, 278. IMP C M AVR PROBVS P AVG Radiate draped and cuirassed bust of Probus to left, holding eagle tipped sceptre. Rev. P M TRI P COS II P P / XXIT Lion advancing to left, head of ox to left. RIC 611. C. 449. Rare, with traces of the original silvering. Very fine.