Helena AE follis. Siscia. AD 328-329. 

FL HELENA AVGVSTA, diademed, mantled bust right, wearing necklace.
SECVRITAS REIPVBLICE, Securitas standing left, lowering 
branch in right hand and raising hem of robe with left hand. 

Mintmark Epsilon SIS double-crescent. 
RIC VII Siscia 218; Sear 16610.
Rated C2.

Contributed by Numismatik Lanz, March, 2003