Watch List notes:

Probus, 276-282. Antoninianus (Billon, 21 mm, 3.63 g, 1 h), Serdica, 3rd officina, 277. IMP C M AVR PROBVS P F AVG Radiate, helmeted and cuirassed bust of Probus to left, holding spear with his right hand and a shield, decorated with emperor on horseback charging to right above row of enemies. Rev. VIRTVS PROBI AVG / KAΓ Probus on horseback to left, raising his right hand in salute and holding scepter in his left; below horse's raised hoof, bound captive to left. Cohen 928. RIC 886. A clear and well-centered coin. Nearly extremely fine.