Helena AE Follis AD 324-328 Cyzicus.

Obv: FL HELENA-AVGVSTA, diademed, mantled bust right,
wearing necklace.
Rev: SECVRITAS-REIPVBLICE, Securitas standing left, lowering branch and raising robe with right hand

Mintmark dot SMK delta dot
RIC VII Cyzicus 49, rated scarce.

Collection of ecoli, on Forvm Ancient Coins, Feb. 2011