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Licinius I, AE follis, Cyzicus. AD 313-315.

IMP C VAL LICIN LICINIVS PF AVG, Laureate head right
IOVI CONS-ERVATORI, Jupiter standing left, chlamys over left
shoulder, holding Victory and sceptre; eagle at foot left.

Z in right field. 
Mintmark SMK.

RIC VII Cyzicus 4; Sear 15218