Valentinian II AV Tremissis, Trier. 13mm, 1.50 g. AD 389-390. 

DN VALENTINI-ANVS PF AVG, pearl-diademed, draped, and cuirassed bust right
VICTORIA AVGVSTORVM, Victory walking left, holding wreath and palm branch. T-R across fields.

Mintmark COM. 

Depeyrot 53; RIC IX Trier 92a-b var (emperor for this issue); Sear -. 

With permission of Roma Numismatics, Aug 2015
Estimate: £750.