Constantine I, AE Follis. 

Obv: IMP C FL VAL CONSTANTINVS PF AVG, laureate head right 
Rev: IOVI CONS-ERVATORI, Jupiter standing left, chlamys across left shoulder, 
 holding Victory on globe and leaning on eagle-tipped sceptre, eagle with 
 wreath left. Mintmark: SMN; right field: zigzag (retrograde Z), 
 unlisted mintmark for this issue. 

RIC VII Nicomedia 12, rated R2. 313-317 AD

Contributed by Dane for George Clegg (biggyg2)