Watch List notes:

ROMAN EMPIRE. Probus. 276-282 AD. Æ Antonininaus (4.12 gm; 22 mm). Siscia mint. IMP PROBVS P F AVG. Radiate and cuirassed bust right / SALVS AVG / P / XXI. Salus standing right, feeding serpent held in arms. RIC 748. Lovely strike on a nice broad flan. Choice AU.