Constantine I AE Follis. Lyons mint, AD 314-315.

IMP CONSTANTINVS PF AVG, laureate, draped and cuirassed bust 
right, seen from the back.
MARTI CON-SERVATORI, Mars standing right, helmeted and
in military dress, cloak spread over upper chest, 
holding upright spear, point downwards, left hand on 
shield.
T-F across fields.
Mintmark PLG.

RIC VII Lyons 10.
Rated R2.

With permission of Pecunem Gitbud & Naumann, Nov. 2013.