Helena, AE follis, Nicomedia. 20mm, 3.9g.

FL HELENA-AVGVSTA, diademed, draped bust right with string
of pearls in the diadem.
SECVRITAS-REIPVBLICE, Securitas standing facing, head left, 
branch downward in right hand, raising robe with left. 

Mintmark SMN delta.

RIC VII Nicomedia 95, rated R4

With permission of H.D. Rauch GmbH, June 2003.