Constantine I AE Follis. 314 AD. 

Obv: IMP CONSTANTINVS P F AVG, laureate, draped & cuirassed bust right 
Rev: SOLI INV-I-CTO COMITI, Sol standing left, holding
globe and raising right hand.
R-F across fields, 
Mintmark R star T

Contributed by David Ruckser, Sept, 2011.