Theodosius I. AE3. Constantinople. 378-383 AD. 

DN THEODO-SIVS PF AVG, rosette-diademed, draped, cuirassed bust right
CONCOR-DIA AVGGG, Constantinopolis, helmeted, seated facing,
 head right, foot on prow, right leg bare, holding globe 
and spear, the lower part of which is hidden by her robe. 

Upright palm branch in left field, I in right field.
Mintmark CONSB. 

RIC IX Constantinople 57e. Scarce.

With permission of Roma Numismatics, Feb, 2010