This is part of a series of coinage (GLORIA EXERCITVS, GLORIA ROMANORVM, LIBERTAS PVBLICA, and SPES PVBLIC) summing up the civil war with Licinius. This alludes to the naval victory of Crispus on the Bosphorus where he captured Byzantium (soon to be called Constantinople) from Licinius. This series was also issued to pay workers building the new city of Constantinople.
Constantine I
A.D. 327-8
19mm 3gm
CONSTANTINVS MAX AVG, head with rosette diadem
LIBERTAS PVBLICA [Public Liberty] Victory standing left on galley, wreath in both hands
B left, CONS in ex.
RIC VII Constantinople 25