Watch List notes:

Helena, mother of Constantine the Great, AE Nummus (20.0 x 18.8 mm 3.11 g 6h), London mint c. AD 325, FL HELENA AVGVSTA, diademed and mantled bust of Helena right, rev. SECVRITAS REIPVBLICE, Securitas standing left, PLON in exergue (RIC 299; CT 10.02.009 (this coin)), almost extremely fine.
Ex Toone collection.

The coins of Helena were only struck for a short time at London because the mint was closed soon after Helena was elevated to the rank of Augusta. This coin is illustrated on the CT plate.

(£250 - £300)