Watch List notes:

Postumus. Romano-Gallic Emperor, AD 260-269. AR Antoninianus (20mm, 2.11 g, 12h). Treveri (Trier) mint. 2nd emission, 1st phase, AD 262. Radiate, draped, and cuirassed bust right / Salus standing left, holding scepter and feeding serpent rising from altar to left. RIC IV 85 var. (Salus holding rudder); Mairat 36-9 var. (same); AGK 79 var. (same); RSC 339 var. (same). VF, toned, traces of deposits. Extremely rare with Salus holding scepter rather than rudder.