Severina, Antoninianus, AD 270-275, Period III, Ticinum, 3.53 g.

Obv: SEVERINA AVG - Diademed bust right, draped and on a crescent. 
Rev: CONCORDIAE MILITVM - Concordia standing left, holding two 
ensigns. 

Mintmark SXXI.

RIC Vi, 8; Cohen 7. 

With permission of Ancient Treasures, 2006.