Thin, lustrous black pottery was made by the Neolithic cultures of Dawenkou and Longshan in the area of present day Shandong province in northeastern China. A similar black pottery cup was excavated at a Dawenkou culture site in Juxian, Shandong province, and was published in Kaogu xuebao, 1991, no. 2, pl. VIII:2. Compare, also, the cup with similar bowl and stem illustrated in Sekai toji zenshu, rev. ed., 1982, vol. 10, fig. 54, p. 163, as well as two related stem cups of this type illustrated by R. Krahl, Dawn of the Yellow Earth: Ancient Chinese Ceramics from the Meiyintang Collection, China Institute, New York, 2000, nos. 26 and 27.