Constantius II. AE follis. 350 AD. Siscia mint. 

Obv: DN CONSTAN-TIVS PF AVG, pearl diademed, draped, 
cuirassed bust right, A behind head. 
Rev: HOC SIGNO VICTOR ERIS, Constantius standing left, 
holding labarum and spear, being crowned by Victory.

III in left field, 
mintmark Epsilon SIS crescent.
RIC VIII Siscia 304.

With permission of TimeLine Auctions (www.timelineauctions.com), Sep, 2013