Watch List notes:

Severina. Augusta, A.D. 270-275. Æ antoninianus (23 mm, 3.59 g, 10 h). Antioch, September-November, A.D. 275. SEVERINA P F AVG, diademed and draped bust of Severina right, resting on a crescent / CONCORDIA AVG, emperor, togate, standing right, clasping hands with empress standing left; VI//XXI. RIC 9 corr.; BN 1361. Extremely rare with P F in legend. Only three specimens recorded in RIC V online. Well centered and struck with nearly full silvering. Nearly extremely fine.