Constantine II, AE Follis, London. 2.89 gr, 19.58 mm. 
320-321 AD.

Obv: CONSTANTI-NVS IVN NC, radiate, draped and cuirassed bust left.
Reverse: VIRTVS-EXERCIT, Two bound captives seated at the base 
of a standard inscribed VOT XX.

mintmark PLN.  

RIC VII London 198; cf Sear 3950 (mint)

Used with permission of TimeLine Originals (www.time-lines.co.uk), Dec, 2010