I saw this one recently...this type is much rarer with the consular bust.
Constantine I
A.D. 315- 316
19mm 3.3gm
IMP CONSTANTINVS AVG; laureate, wearing imperial mantle, holding eagle-tipped scepter.
SOLI INVIC-TO COMITI; TF/ * across fields.
In ex. PLG
RIC VII Lyons 36