Watch List notes:

Helena. Augusta, AD 324-328/30. Æ (14.5mm, 1.83 g, 6h). Treveri (Trier) mint, 2nd officina. Struck under Constantine II, AD 337-340. Diademed and mantled bust right, wearing necklace / Pietas standing left, holding branch and scepter; •TRS•. RIC VIII 63; LRBC 112. Dark brown patina. EF.

Ex Classical Numismatic Group Electronic Auction 244 (10 November 2010), lot 478.