324-325 AD., Helena, Treveri mint, Follis, RIC 458.

Helena, Treveri mint, first officina, 28th emission, 324-325 AD.,
Æ Follis (18-20 mm / 3,40 g),
Obv.: FL HELENA - AVGVSTA , diademed bust of Helena right, mantled with necklace.
Rev.: SECVRITAS REIPVBLICE / P TR , Securitas standing left, holding branch pointing down, raising robe with right hand.
RIC VII, 205, 458 (R1) .