Lot 96. A group of seven stone and jade ritual blades, Neolithic Period to Zhou Dynasties. The largest: 12.3cm (4 1/8in) long. Estimate £ 800 - 1,200 (€ 930 - 1,400). © Bonhams 2001-2019

Including: a semi-circular stone blade with two apertures; an unusual arrow-head form blade with a large hole; and a rectangular jade implement with a chiselled terminal end. 

The Durwin Tang Collection of Chinese Jades.

Bonhams. Asian Art, London, 13 May 2019 - 14 May 2019