Helena, AE follis of Constantinople. 326-327FL HELENA-AVGVSTA, mantled bust right, wearing ladder-shaped wreath, decorated with pearls. weight 3.27g.

 SECVRITAS-REIPVBLICE, Securitas standing left, lowering branch with the left hand, raising robe with the right hand. 

Officina letter B in left field. Mintmark CONS.RIC VII Constantinople 11; Sear 16618 Rare, rated R2.

From the Eichner Yosef collection.