Helena, AE4, September 9, 337-Spring 340, Constantinople, First Group, Officina 5FL IVL HEL_ENAE AVGDiademed bust right, wearing imperial mantle and pearl necklacePAX PV_BLICA .Pax standing facing, head left, branch in right hand pointing downward, transverse scepter in leftCONSE in exergue 15mm x 16mm, 1.15g