Licinius I AE Follis, 5.88g; 26mm, 309-311 AD. Siscia. 

IMP LIC LICINIVS PF AVG, laureate head right
GENIO AV-GVSTI, Genius standing left, modius on head, 
naked except for chlamys over left shoulder, holding 
patera and cornucopiae. 

Crescent in left field, B in right field

mintmark SIS in ex. 

RIC VI Siscia 198b/207b (identical, different years of issue).

With permission of Roma Numismatics, Feb. 2010