RIC only lists this coin with an unbroken obverse legend. I don't have this reference yet (it is on the way) but might be listed in it-- Les monnaies d'or de Constantin II à Zénon by Georges Depeyrot
Gratian
A.D. 367- 375
AV Solidus
19x20mm 4.4gm
D N GRATIA-NVS P F AVG; pearl-diademed, draped, and cuirassed bust right.
VICTORIA AVGG; two emperors seated facing, together holding globe. Behind and between them the upper portion of a Victory with outspread wings; between them below, a palm branch.
In ex. TROBT
Cf RIC IX Trier 17f
