Constantine I AE Follis.

Obv: IMP CONSTANTINVS PF AVG, laureate, draped, cuirassed bust right 
Rev: SOLI INV-I-CTO COMITI, Sol standing left, chlamys across left shoulder, 
  holding globe, right hand raised. 

Mintmark: RS. RIC VII Rome 57, rated c3

Contributed by Dane for George Clegg (biggyg2), August, 2006.