Watch List notes:

Severina, Augusta, 270-275. Antoninianus (Billon, 21 mm, 3.61 g, 5 h), Rome, 3rd officina (Γ), late 274. SEVERINA AVG Diademed and draped bust of Severina to right, set on a crescent. Rev. CONCORDIA AVGG / ΓXXIR Severina standing right, holding unidentified object in left hand, clasping hands with Aurelin standing left, holding short scepter in left hand. BN 174-6. RIC 3. RIC V.1 Online temp. 1792. Well centered and struck with nearly fully silvering still intact. Extremely fine.
From the Trausnitz collection.