Severina, Antoninianus, Rome. 22mm, 4.13 g. Struck AD 275.

SEVERINA AVG, diademed bust right on crescent.
CONCORDIAE MILITVM, Concordia standing left, holding two standards. 

Gamma in right field, mintmark XXIR

RIC V pt.1, 4; Cohen 7. 

With permission of numislanz.de, Auktion 102, lot 958