AE Follis of Nicomedia. Struck c.A.D.312.
Obverse: IMP C FL VAL CONSTANTINVS P F AVG. Laureate head of Constantine facing right.
Reverse: SOLI INVICTO. Sol, fully dressed in long robe, standing facing left, right hand raised and holding head of Serapis in left; in left field, A; in right field, crescent; in exergue, SMN.
RIC VI : 73c.