Helena AE3 324-328 AD, Constantinople.

Obv: FL IVL HEL-ENA AVG - Diademed, mantled with necklace bust right. 
Rev: PAX PV-BLICA dot, Pax standing left, holding branch and 
transverse scepter. 
Mintmark CONS epsilon. 

RIC VIII, 33 Scarce

Courtesy of www.beastcoins.com
Feb. 2011