This AE3 consular bust issue was probably issued to commemorate the consulship of Theodosius in A.D. 388. RIC rates this coin as merely scarce but I would say they are at least rare, if not very rare. The first picture was from Ebay, the second is mine.
Theodosius I
A.D. 384- 388
DN THEODO-SIVS PF AVG; pearl diademed, draped in imperial mantle, holding mappa and scepter.
GLORIA REI-PVBLICE, campgate with two turrets, Chi-Rho between them. In left field B.
In ex. TES
RIC IX Thessalonica 59b