Watch List notes:

Severina. Augusta, AD 270-275. Antoninianus (22mm, 3.81 g, 6h). Rome mint, uncertain officina. 10th emission, AD 275. Draped bust right, wearing stephane, set on crescent / Concordia standing facing, head left, holding two signa; [?]//XXIR. RIC V 4; cf. BN 219-236. Good VF, dark green patina, cleaning scratches.