Constantine II. 321-324 AD. Siscia. 

CONSTANTINVS IVN NOB C, laureate head right

CAESARVM NOSTRORVM around VOT dot X within wreath. 

Mintmark epsilon SIS sunburst. 

RIC VII Siscia 182
Note: The dot could be a centering mark and is 
usually unimportant for the identification of these
coins. Only large, clearly intentional dots are usually
listed in RIC.

With permission of Roma Numismatics, Feb, 2010