Watch List notes:

Antoninus Pius, 138-161. Sestertius (Orichalcum, 33.5 mm, 22.45 g, 5 h), Rome, 151-152. ANTONINVS AVG PI-VS P P TR P [XV] Laureate, draped and cuirassed bust of Antoninus Pius to right. Rev. SALVS AVG COS IIII / S - C Salus standing left, feeding snake coiled round altar and holding long scepter. Banti 356 (same dies) = Lanz 20 (1981), 568 (same dies). BMC -. RIC III -. Extremely rare type with only a single example recorded by Banti. Very fine.