Constantine II, 317-320 AD AE Follis

DN FL CL CONSTANTINVS NOB C, laureate bust left, wearing imperial 
mantle, holding globe, mappa and sceptre. Small bust type.
IOVI CONSER-VATORI CAESS, Jupiter standing left, chlamys across left 
shoulder, holding Victory on globe and sceptre.
Left field: Wreath
Right field: H
Mintmark: SMK

RIC VII Cyzicus 12, rated R4.