Crispus, AE Follis, Lyons, 322-323 AD. 

DN IVL CRIBPO NC, laureate, cuirassed bust left, holding spear 
over left shoulder and horse's bridle.
BEATA TRA-NQVILLITAS, globe with lines of latitude and longitude, 
on altar inscribed VOT - IS - XX, three stars above. 
C-R across fields. Mintmark PLG. 

RIC VII Lyons 162 var (obv. legend and bust type). 

With permission of CGB, April 2008.