Watch List notes:

HELENA. Follis. (Ae. 2.67g / 19mm). 326-328 AD Thessaloniki. (RIC 159). Anv: Diademic and draped bust of Helena on the right with necklace, around legend: FL HELENA AVGVSTA. Rev: Securitas standing on the left with palm, in exergue: SMTSr, around legend: SECVRITAS REIPVBLICE. Uncirculated. Beautiful specimen.