Constans AE4. 

Obv: FL IVL CONSTANS AVG, laureate, draped, cuirassed bust right 
Rev: GLORI-A EXER-CITVS, two soldiers holding spears and shields with one standard between them. 

Mintmark: TRP palm branch. RIC VIII Trier 85, rated c2

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