Magnentius AE21. 

Obv: DN MAGNEN-TIVS PF AVG, bare headed, draped, cuirassed bust right, 
 A behind bust 
Rev: GLORIA ROMANORVM,  Emperor on horseback galloping right, holding shield, 
 spearing barbarian kneeling, facing left, with outstretched hands in front 
 of horse; below horse, shield and broken spear. 
Mintmark: TRP(dot). 

RIC VIII Trier 270, rated common.

Contributed by Dane for George Clegg (biggyg2), August, 2006.