Watch List notes:

Probus, 276-282. Antoninianus (Billon, 23mm, 2.99 g 1), Rome. VIRTVS PROBI AVG Radiate, helmeted and cuirassed bust of Probus to left, holding spear with his right hand over his right shoulder and with a shield over his left shoulder. Rev. ADVENTVS PROBI AVG Probus on horseback to left, raising his right hand and holding spear in his left; at ground to left, captive. RIC 166. Some original silvering. Extremely fine.