Constantine II AE Follis. AD 320-321. 

CONSTANT-INVS IVN NC, radiate, draped, cuirassed bust right.
VIRTVS-EXERCIT, Standard inscribed VOT / XX in two lines 
standing on  ground, captive seated on either side. 
Mintmark: PLN. 

RIC VII London 198, obv. legend 2.

With permission of Noble Numismatics Pty Ltd, April 2011.