Gratian, AE3. Constantinople. 367-375 AD.

Obv: DN GRATIA-NVS PF AVG, pearl diademed, draped, cuirassed bust right.
Rev: GLORIA RO-MANORVM, emperor advancing right, holding labarum and dragging captive behind him.
Left field: wreath.
Right field: Palm branch angled /.
Mintmark: CONSA

RIC IX Constantinople 41d var (unlisted officina), rated scarce.

From Dane's collection, Sept. 2010.