Watch List notes:

The Roman Empire
Commemorative issue, 330 - 354

1/3 siliqua, Constantinopolis 330-354, AR 1.20 g. Diademed and draped female bust r. Rev. K. C –, cf. vol. VII p. 401, 287. Mazzini –, cf. V pl. XXXVIII, 287 (Constantine II). Bendall, RN 158, pl. 11, 4.
Rare. Light iridescent tone, minor corrosion, otherwise good very fine / about extremely fine