Watch List notes:

Severina. Augusta, A.D. 270-275. AE antoninianus (23.9 mm, 4.37 g, 5 h). Antioch mint, struck A.D. 275. SEVERINA AVG, draped bust right, wearing stephane, set on crescent / CONCORDIAE MILITVM, Concordia standing, holding standard in each hand; P, XXI in exergue. RIC 20. VF. 

Ex Elwood Rafn collection.