Watch List notes:

Probus, 276-282. Antoninianus (Billon, 22 mm, 4.02 g, 12 h), Serdica, 1st officina, 277. IMP C M AVR PROBVS P F AVG Radiate, helmeted, and cuirassed bust of Probus to left holding spear over his right shoulder and with a shield over his left. Rev. VIRTVS PROBI AVG / KAA Probus on horseback to left, holding long scepter in his left hand and raising his right in salute; to left, bound captive seated left. Cohen 928. RIC 886. Particularly well struck and very sharp; with intact silvering. Flan crack on 5h, otherwise, extremely fine.