Constantine II. AE, Trier. 317-318 AD. 

Obv: FL CL CONSTANTINVS IVN NC, bare-headed, draped, cuirassed bust right, 
seen from the back
Rev: CLARITAS REIPBVLICAE, Sol standing left, chlamys across left 
shoulder, holding globe and raising right hand. 

F-T across fields. 
Mintmark dot ATR. 

RIC VII Trier 179. Extremely rare (R4).

With permission of Roma Numismatics, Jun, 2010