Gratian AE3. 

Obv: DN GRATIA-NVS PF AVG, pearl-diademed, draped and cuirassed bust right 
Rev: CONCOR-DIA AVGGG, Roma, helmeted and seated, facing right, holding globe 
 and partly seen spear. 
Mintmark: SMHA; palm branch upright in left field, I in right field. 

RIC IX Heraclea 15a, rated rare

Contributed by Dane, October, 2005.