Watch List notes:

Severina. Augusta, AD 270-275. Antoninianus (22.5mm, 3.94 g, 12h). Siscia mint, 3rd officina. 9th emission of Aurelian, 2nd phase, autumn AD 274-spring AD 275. Draped bust right, wearing stephane, set on crescent / Concordia standing left, holding signum in each hand; TXXI. RIC V 13; BN 933. Brown patina, traces of toned silvering, some shallow cleaning scratches. VF.