Constantine I AE Follis, 

Obv: IMP CONSTANTINVS PI IN AVG, laureate & cuirassed bust right 
Rev: SOLI INVIC-TO COMITI, Sol standing left, chlamys falling from left 
 shoulder, holding globe, right hand raised; T-F across fields; PLN in ex. 

RIC VI London 120, rated rare. 
This coin is the only coin of Constantine which uses this using PI IN AVG legend.


Contributed by Dane for Lars Ramskold, Sweden, August, 2008.