Watch List notes:

Time of Constantine I 1/3 siliqua, Constantinople 330, AR 12mm., 0.92g. Pearl-diademed and draped female bust r. (Helena ?), wearing earring and necklace. Rev. K within border of dots. Cf. Trau 3995. Cf. Mazzini 287 (Costantino II).

Extremely rare. Toned, minor marks in fields, otherwise extremely fine.

Ex NAC sale 29, 2005, 636.