Constantine II AE Follis. 320 AD. 

Obv: CONSTANTINVS IVN NOB C, laureate, draped bust left, 
holding Victory and mappa
Rev: VIRTVS-EXERCIT, standard inscribed VOT XX with bound 
captive seated to left and right; chi-rho in left field; 
dot TS dot B dot in ex. 

RIC VII Thessalonica 83. Extremely Rare (R4).

Contributed by Dane for Roma Numismatics, June 2009