Watch List notes:

ELENA. Follis. (Ae. 2.66g / 19mm). 328-329 AD Nicomedia. (RIC 159). Anv: Diademic bust, draped and with cuirass on the right, around the legend: FL HELENA AVGVSTA. Rev: Securitas standing on the left carrying branch, around legend: SECVRITAS REI PVBLICE, in exergue: SMNr. Very Fine.