Watch List notes:

Helena. Augusta, AD 324-328/30. Æ Follis (17mm, 1.57 g, 6h). Treveri (Trier) mint, 1st officina. Struck AD 337-340. Mantled bust right / Pax standing left, holding olive branch and transverse scepter; [•T]RP•(?). RIC VIII 63; LRBC 112. Dark green and brown surfaces, edge split. EF.