Circa 2500-2000 BCE Of trapezoidal shape, the blade is convex on both faces and tapers from the blade edge to the other end, finished in an extremely attractive high polish. 7in (17.7cm) long,转到 Chinese Works of Art Go
注脚:約公元前2500-2000年 黑玉刀Literature: Robert P. Youngman, The Youngman Collection, Chinese Jades, From Neolithic to Qing, Chicago, 2008, p. 28, no. 2出版：羅伯特·楊門，《楊門藏玉：中國玉器 新石器時代至清代》，芝加哥，2008年，圖版2，頁28For two other examples see Christie's, Hong Kong, The Chang Wei-Hwa Collection of Archaic Jades, 27 November 2019, lot 2741 (a larger example, 13 5/8in long) and another, lot 2746. For a green jade blade (9 1/8in long), see Christie's, Hong Kong, 8 October 2020, lot 221.