Watch List notes:

Probus, 276-282. Antoninianus (Billon, 21 mm, 3.69 g, 6 h), Rome, 6th officina, 279. IMP PROBVS AVG Radiate and cuirassed bust of Probus to right. Rev. ADVENTVS AVG / R (thunderbolt) S Probus on horseback left, raising his right hand in salute and holding scepter in his left; to left, seated captive. RIC 157. Lustrous, sharp and clear with intact silvering. Nearly extremely fine.