The show includes one spurious work that Mr. Wilson thinks the collector bought knowingly a 20th-century imitation of an ancient turquoise-inlaid bronze plaque with "taotie" (a mask motif) from the late Erlitou culture, Henan province, 1800-1600 B.
Governments in Shaanxi and in Henan province, which claims to be the emperor's birthplace, are competing (and reportedly spending millions of dollars) to make their respective Yellow Emperor shrines pre-eminent.