Diocletian AE follis. Heraclea.

Obv: IMP CC VAL DIOCLETIANVS PF AVG, radiate, draped, cuirassed bust right.
Rev: CONCORDIA MILITVM, Emperor standing facing right, holding 
parazonium,  receiving Victory from Jupiter standing facing left, 
holding sceptre. 
B in lower centre.
Mintmark: dot XXI dot.

RIC V-2 Heraclea 284.

Contributed by numisantica.com, March 2013.