Chlef Travel on ) The sherd is now in the National Museum at Copenhagen. Its place of origin is unknown, but Nilsson describes it as black-glaze of good Attic workmanship, and adds that although an exact dating is difficult it appears to be not later than the first half of the fourth century and possibly as early as the fifth. (Gesch. Gr. Rel. i, 758, cf. Gr. Chlef Travel 2016.