Constantine II AE Follis. 

Obv: CONSTANTINVS IVN NC, laureate, draped bust left holding Victory on globe 
 in right hand, mappa in left hand 
Rev: VIRTVS-EXERCIT, Standard inscribed VOT / XX in two lines standing on 
 ground, captive seated on either side. 
Mintmark: (dot)PTR. 

RIC VII Trier 275, rated R4.

Contributed by Dane for George Clegg (biggyg2), October 2007