Watch List notes:

Probus, 276-282. Antoninianus (Bronze, 22mm, 3.80 g 1), Siscia, c. 280-281. IMP PROBVS P F AVG Radiate and cuirassed bust of Probus to right. Rev. SALVS AVG / VII / XXI Salus standing right, feeding serpent in arms. Cohen 572. RIC 748. Lovely brown patina. Extremely fine.