Severina, AE antoninianus, Antioch, AD 274. 4.36 g.

SEVERINA AVG, diademed and draped bust right, on crescent
CONCORDIAE MILITVM, Concordia standing facing head left, holding 
two standards, no officina letter.

Mintmark XXI. 

RIC V-I 20 var (no officina letter)

Contributed by Nureldeen of the Forum Ancient Coins, Jan. 2011