Theodosius I. AE3, Cyzicus mint. 379-383 AD. 

DN THEODO-SIVS PF AVG, pearl diademed, helmeted, draped, 
cuirassed bust right, holding spear and shield.
GLORIA RO-MANORVM, Theodosius standing left on galley, 
head right, raising hand; Victory at helm.
Wreath in left field.
Mintmark SMKA. 

RIC IX Cyzicus 14c
With permission of cngcoins.com.