Constantine II AE follis. Siscia. AD 320. 19mm, 2.77 g. 

CONSTANTINVS IVN NOB C, laureate, draped bust left, holding 
Victory on globe and mappa
VIRTVS EXERCIT, Standard inscribed VOT X in two lines with 
two captives sitting at its base. 

S-F over HL (ligate) across fields.
Mintmark Epsilon SIS star-in-crescent. 

RIC VII Siscia 133; Sear 17291.  
Rated R1.

With permission of cngcoins.com, Feb 2016