Watch List notes:

Probus, 276-282 Antoninianus circa 277, billon 21mm., 3.32g. Radiate, helmeted, and cuirassed bust l., holding spear over shoulder and shield. Rev. Probus riding horse l., holding scepter and raising hand; to l., bound captive seated l; in exergue, R – crescent - S. C 39. RIC 157.

Nice old cabinet tone, Good Very Fine.