Magnentius, AE3 26mm, Rome. AD 340-350. 4.3 g.

DN MAGNEN-TIVS PF AVG, bare-headed, draped, cuirassed bust right (No A behind head).
GLORIA ROMANORVM, emperor on horseback galloping right, no
shield, wielding spear at a bare-headed enemy before the 
horse, broken spear and shield beneath the horse. 
Star in upper right field.
Mintmark R epsilon.

RIC VIII Rome 197 var (no A on obv).

with permission of cgb.fr, June 2007.