MIXED LOTS. Quintet of BI Nummi (5 Pieces), ca. A.D. 316-340. All NGC Ch EF Certified. This alluring group of Constantinian Nummi includes three issues of Crispus from the London mint and two of Constantine II, one minted in Cyzicus and the other in Siscia. All pieces present strong details and dark surfaces. An interesting mix of mints, busts, and reverse types.